クイックスタート
このガイドでは、TeamViewerのすべての機能について説明します。
- はじめる — Create your account and install TeamViewer
- エンドポイントのトラブルシューティングの使用方法 — Diagnose and fix problems on any remote device without a site visit
- 資産管理の使い方 — Track every added device, licence, and system detail in one list
- リモートデバイス監視の使用方法 — Watch device health and catch problems before users report them
- デジタル化による手作業物流の活用方法 — Guide warehouse staff hands-free with AR glasses and voice commands
- 複数のアカウントを管理する方法 — Organize users, groups, and permissions across your whole company
- パフォーマンス監視の使い方 — Spot slow disks, high CPU, and memory limits on any client machine
- リモートサポートの使い方 — Join a live session with a person who needs help right now
- 高度なサイバー防御の使い方 — Add ransomware protection and patching to every managed computer
- Essential Integrationsの使い方 — Connect TeamViewer to your helpdesk, chat, and ticketing software
所要時間： 各作品につき5分
このガイドには以下の内容も含まれています。 プロのヒント | よくある間違い | トラブルシューティング | 価格 | 代替案
このガイドを信頼する理由
I have used TeamViewer for over three years on Windows and macOS machines.
Every step here comes from real sessions, not vendor screenshots.
TeamViewer is one of the most widely used remote access tools in the world.
But most people only ever type an ID into the connect box and stop there.
This article shows you how to use every major feature.
スクリーンショットとプロのアドバイスを交えながら、手順を一つずつ解説します。
TeamViewerチュートリアル
This complete How to Use TeamViewer tutorial walks you through each feature, from installation to the settings power users rely on.
チームビューアー
Connect to any computer from anywhere in the world. TeamViewer gives you secure remote control, file transfer, and remote support across Windows, macOS, Linux, iOS, and Android. Start free and upgrade only when you need commercial use.
TeamViewerを使い始める
Let’s get started with TeamViewer Remote — it takes about three minutes.
Do this once and every feature below will work.
まずはこちらの簡単な概要をご覧ください。
それでは、各ステップを順を追って見ていきましょう。
ステップ1：アカウントを作成する
Go to TeamViewer’s website and open the sign up page.
メールアドレスを入力し、パスワードを作成してください。
✓ チェックポイント: チェックしてください 受信トレイ 確認メールについて。
Step 2: Install TeamViewer
Download the installer for Windows, macOS, Linux, iOS, or アンドロイド.
You can also run a browser session if you want to skip the installation entirely.
Sign in with your new account.
これがその様子です。
✓ チェックポイント: The dashboard shows your own TeamViewer ID.
ステップ3：初期設定を完了する
Turn on easy access so you can connect to remote devices without a code.
Set a personal password for unattended access.
Ensure the TeamViewer program stays open on both computers before you connect.
✅ 完了: これで、以下のすべての機能をご利用いただけます。
How to Use TeamViewer Endpoint Troubleshooter
エンドポイントのトラブルシューティング lets you diagnose and fix problems on any remote device without a site visit.
Fix a broken machine yourself instead of walking a user through it.
Follow these three steps.
Step 1: Open Your Device List
Sign in to the TeamViewer program on your own computer.
Find the remote computer you want to connect to.
Step 2: Click Connect
Click Connect next to the device name.
Enter the password if you are prompted for one.
You connect to the remote machine in a couple of seconds.
これがその様子です。
✓ チェックポイント: The remote screen loads inside your session window.
Step 3: Run Your Fix
Open Task Manager, restart the stuck service, or clear the cache.
Close the remote session when the machine behaves again.
✅ 結果: You fixed the issue without leaving your desk.
💡 プロのヒント: Open the system info panel first. It shows uptime and free disk space before you touch anything.
How to Use TeamViewer Asset Manager
資産運用管理 lets you track every added device, licence, and system detail in one list.
Know what hardware and software you actually own.
Follow these three steps.
Step 1: Navigate to Asset Management
Open the management console in your browser.
Select Asset Management from the left sidebar.
ステップ2：デバイスを選択する
Click any computer to open its hardware and software page.
これがその様子です。
✓ チェックポイント: You see installed software, serial numbers, and the TeamViewer ID.
Step 3: Tag and Export
Add tags by team or location, then export the list.
Share the file with whoever handles procurement.
✅ 結果: Your whole device inventory is documented and searchable.
💡 プロのヒント: Tag machines by office. Remote support gets much faster when a ticket comes in at 2am.
How to Use TeamViewer Remote Device Monitoring Tool
リモートデバイス監視 lets you watch device health and catch problems before users report them.
Stop finding out about a full hard drive from an angry email.
Follow these three steps.
Step 1: Install TeamViewer Host
Install TeamViewer Host on the remote computer you want to watch.
Assign it to your account so it stays online.
Step 2: Set Your Alert Rules
Choose thresholds for disk space, CPU load, and Windows updates.
これがその様子です。
✓ チェックポイント: Each monitored device shows a green, yellow, or red status.
Step 3: Route Alerts to Email
Add your email so alerts arrive before a user calls.
✅ 結果: You get warned 早い instead of after a crash.
💡 プロのヒント: Skip alerts on test machines. Too much noise and your team stops reading them.
How to Digitalize TeamViewer Manual Logistics
手作業による物流をデジタル化する lets you guide warehouse staff hands-free with AR glasses and 声 コマンド。
Replace paper pick lists with instructions inside a headset.
Follow these three steps.
Step 1: Pick a Workflow
Open TeamViewer Frontline and select a picking or inspection workflow.
Step 2: Pair the Wearable
Sign the smart glasses in to the same account.
The worker now sees each step inside the display.
これがその様子です。
✓ チェックポイント: The first instruction appears on the headset screen.
Step 3: Start the Task
Workers proceed by voice, so both hands stay free.
Every scan is logged as the task moves along.
✅ 結果: Manual paper checklists are gone from the floor.
💡 プロのヒント: Add a live remote support call to any workflow. An expert then sees exactly what the worker sees.
How to Manage TeamViewer Multiple Accounts
複数のアカウントを管理する lets you organize users, groups, and permissions across your whole company.
Give each technician access to their own devices and nothing else.
Follow these three steps.
Step 1: Open User Management
Go to the company page inside the management console.
ステップ2：チームメンバーを招待する
Enter each person’s email address and send the invite.
They create a password from the link.
これがその様子です。
✓ チェックポイント: New users show as pending until they finish signing up.
Step 3: Set Group Permissions
Give every group access only to the devices it supports.
Remove access the same day someone leaves.
✅ 結果: Every account now has the right level of access.
💡 プロのヒント: Turn on two-factor for all accounts. It is the single best 安全 option on this page.
TeamViewerパフォーマンスモニタリングの使用方法
パフォーマンス監視 lets you spot slow disks, high CPU, and memory limits on any client machine.
Find out why a computer feels slow before you rebuild it.
Follow these three steps.
Step 1: Open the Performance Tab
Select a device, then open its performance page.
Step 2: Read the Live Graphs
Compare CPU, memory, and disk activity over the last hour.
これがその様子です。
✓ チェックポイント: You see a timeline instead of a single snapshot.
Step 3: Act on the Spike
Close the heavy process or schedule a restart after work hours.
✅ 結果: You know what is actually slowing the machine down.
💡 プロのヒント: Check performance before a big rollout. It tells you which computers will struggle.
How to Use TeamViewer Remote Supporter
リモートサポート lets you join a live session with a person who needs help right now.
The classic use case, and still the one people install TeamViewer for.
Follow these three steps.
Step 1: Send the QuickSupport Link
Ask the user to download the small QuickSupport client.
They can skip the full installation with it.
Step 2: Enter the Partner ID
They read you their TeamViewer ID and password.
Type the ID into the Partner ID box, then click Connect.
これがその様子です。
✓ チェックポイント: You control the remote computer as if you were sitting in front of it.
Step 3: Transfer Files if Needed
You must be connected to the other computer in order to send files.
Open File Transfer and drag your files across.
✅ 結果: The person got help without waiting for a desk visit.
💡 プロのヒント: Never give out your TeamViewer ID or password to a person you do not trust.
TeamViewer Advanced Cyber Defense の使い方
高度なサイバー防御 lets you add ransomware protection and patching to every managed computer.
Security that follows the devices you already manage.
Follow these three steps.
Step 1: Turn On Endpoint Protection
Open the security tab and enable protection for a device group.
Step 2: Schedule Patching
Set a weekly window for Windows and third-party updates.
これがその様子です。
✓ チェックポイント: Each device shows a patch status and a last scan time.
Step 3: Review the Threat Log
Check quarantined files weekly and close anything resolved.
✅ 結果: Your remote devices are patched, scanned, and logged.
💡 プロのヒント: Patch outside work hours. A surprise reboot at 11am will cancel somebody’s real work.
TeamViewer Essential Integrations の使い方
必須の統合 lets you connect TeamViewer to your helpdesk, chat, and ticketing software.
Start sessions from the tools your team already lives in.
Follow these three steps.
Step 1: Find the Integrations Page
Open your account settings and find the integrations page.
Step 2: Select Your Tool
Pick ServiceNow, Jira, ゼンデスク, Slack, or Microsoft Teams.
これがその様子です。
✓ チェックポイント: You are prompted to sign in and approve access.
Step 3: Launch Sessions From Tickets
Open a ticket and start a remote session from inside it.
Session notes save back to the ticket automatically.
✅ 結果: Support work now happens in one place.
💡 プロのヒント: Add the browser extension too. It starts a session from almost any web console.
TeamViewer Proのヒントとショートカット
After three years of daily sessions, these are the tips I actually use.
キーボードショートカット
| アクション | ショートカット |
|---|---|
| Toggle full screen in a session | F11 |
| Send Ctrl + Alt + Del to the remote computer | Ctrl + Alt + Del |
| Switch between open sessions | Ctrl + Tab |
| Close the active remote session | Alt + F4 |
ほとんどの人が見逃す隠れた機能
- ウェイクオンLAN: Turn on a sleeping remote device before you connect, so nobody has to be there.
- セッション録画: Record a session as proof of work, then share the file with your client.
- TeamViewer Tensor: A cloud-based platform giving remote access and collaboration to businesses of any size.
TeamViewerでよくある間違いとその回避方法
Mistake #1: Giving your ID to a stranger
❌ 間違い: You hand your TeamViewer ID and password to a caller claiming to be support.
✅ 右: TeamViewer is secure, but only share your ID with a person you already trust.
Mistake #2: Running client work on a free account
❌ 間違い: You keep billing clients while TeamViewer flags your system for commercial use.
✅ 右: Move to a paid plan before your sessions start getting cut short.
Mistake #3: Skipping unattended access
❌ 間違い: Someone must sit at the remote computer and read you a password every single time.
✅ 右: Set up remote access with a personal password so the machine answers on its own.
TeamViewerのトラブルシューティング
Problem: Commercial use detected
原因： The system spotted usage patterns that look like paid work on a free account.
修理： Open the reset request page, or move to a paid plan and proceed from there.
Problem: Partner did not connect to router
原因： The remote computer is offline, asleep, or the client is closed.
修理： Ask the person to open TeamViewer, then check their firewall and try the connection again.
Problem: The remote screen is black
原因： The remote device uses a display driver TeamViewer cannot capture.
修理： Install the TeamViewer display driver, then cancel and restart the session.
📌 注記： If none of these fix your issue, contact TeamViewer support and send feedback from the app.
TeamViewerとは何ですか?
チームビューアー is a remote access tool that links two devices over the internet.
Think of it like sitting at another computer that happens to be somewhere else.
TeamViewer Remote allows users to connect to another computer from anywhere in the world.
こちらの簡単な概要をご覧ください。
主な機能は以下のとおりです。
- エンドポイントのトラブルシューティング： Diagnose and fix problems on any remote device without a site visit
- 資産運用管理： Track every added device, licence, and system detail in one list
- リモートデバイス監視: Watch device health and catch problems before users report them
- 手作業による物流をデジタル化する： Guide warehouse staff hands-free with AR glasses and voice commands
- 複数のアカウントを管理する： Organize users, groups, and permissions across your whole company
- パフォーマンス監視: Spot slow disks, high CPU, and memory limits on any client machine
- リモートサポート: Join a live session with a person who needs help right now
- 高度なサイバー防御： Add ransomware protection and patching to every managed computer
- 必須の統合機能： Connect TeamViewer to your helpdesk, chat, and ticketing software
詳細なレビューについては、こちらをご覧ください。 TeamViewerのレビュー.
TeamViewerの料金プラン
2026年のTeamViewerの価格は以下の通りです。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| TeamViewer リモートアクセス | 月額18.90ドル | One person who needs access to a single remote computer |
| チームビューアー 仕事 | 月額42.90ドル | フリーランサー and small teams managing many remote devices |
無料トライアル: Yes — paid plans include a trial, and personal use stays free.
返金保証: Refunds follow TeamViewer’s standard terms, so check them at checkout.
💰 最もお得な価格: TeamViewer Business — it adds more devices and remote support for teams.
Switch to annual billing when you check out.
You can save up to 20 percent against paying monthly.
That 20 on TeamViewer Business is over $100 back each year.
TeamViewerと代替案の比較
TeamViewerは他社製品と比べてどうでしょうか？競合状況は以下のとおりです。
| 道具 | 最適な用途 | 価格 | 評価 |
|---|---|---|---|
| チームビューアー | All-round remote access | 月額18.90ドル | ⭐ 4.4 |
| ゲットスクリーン | Browser-only sessions | 月額6ドル | ⭐ 4.5 |
| エニーデスク | Low-bandwidth speed | 月額14.90ドル | ⭐ 4.5 |
| スプラッシュトップ | Budget unattended access | 月額5ドル | ⭐ 4.6 |
| リモートPC | A few home computers | 月額3.95ドル | ⭐ 4.3 |
| RealVNCコネクト | Security-first teams | 月額4.99ドル | ⭐ 4.4 |
| 解決へ進む | Bundled helpdesk | 月額23ドル | ⭐ 4.2 |
| ISLオンライン | Self-hosted support | 月額15ドル | ⭐ 4.4 |
| ビヨンドトラスト | Regulated industries | カスタム | ⭐ 4.5 |
おすすめ商品：
- 総合ベスト： TeamViewer — the widest platform support and the deepest feature set
- ベスト予算： RemotePC — cheap yearly pricing for a handful of computers
- 初心者におすすめ： AnyDesk — a light client with almost nothing to learn
- Best for unattended access: Splashtop — strong performance at a low price
🎯 TeamViewerの代替品
TeamViewerの代替サービスをお探しですか？おすすめの選択肢をご紹介します。
- 🚀 画面取得: Browser-based remote access with no client to install. Sessions start from a link, which suits quick one-off support work.
- ⚡ AnyDesk: Very light client with fast connection times on poor networks. A close rival for everyday remote control.
- 💰 スプラッシュトップ: Strong performance at a low yearly price. Popular with 学校 and small IT teams needing unattended access.
- 👶 リモートPC: Simple, cheap remote access for a fixed number of computers. Setup takes minutes with no learning curve.
- 🔒 RealVNCコネクト: Mature VNC platform with strong encryption and direct connections. Good for teams with strict security rules.
- 💼 解決へ進む: Remote support bundled with ticketing and エンドポイント管理. Built for helpdesks that want one tool.
- 🏢 ISLオンライン: Self-hosted or cloud remote support with per-technician licensing. Useful where data must stay on your own servers.
- 🎯 信頼を超えて： Privileged remote access built for regulated industries. Heavy 監査 trails and vendor access controls.
全リストについては、こちらをご覧ください。 TeamViewerの代替品 ガイド。
⚔️ TeamViewerとの比較
TeamViewerが各競合他社と比べてどうなのか、以下に示します。
- TeamViewerとGetscreenの比較: Getscreen is lighter and cheaper. TeamViewer wins on device management, monitoring, and enterprise features.
- TeamViewerとAnyDeskの比較: AnyDesk feels faster on slow links. TeamViewer offers deeper asset management and a wider platform list.
- TeamViewerとSplashtopの比較: Splashtop costs far less per user. TeamViewer adds AR support, patching, and broader integrations.
- TeamViewerとRemotePCの比較: RemotePC is the budget pick. TeamViewer is the better choice once you manage more than a few devices.
- TeamViewerとRealVNC Connectの比較: RealVNC has tighter security controls. TeamViewer is easier for non-technical users to set up.
- TeamViewerとGoTo Resolveの比較: GoTo Resolve bundles a helpdesk. TeamViewer connects to the helpdesk you already run instead.
- TeamViewer vs ISL Online: ISL Online can run on your own server. TeamViewer is stronger on mobile and monitoring.
- TeamViewerとBeyondTrustの比較: BeyondTrust is built for compliance teams. TeamViewer is faster to deploy and much cheaper.
今すぐTeamViewerを使い始めましょう
あなたはTeamViewerの主要な機能をすべて使いこなせるようになりました。
- ✅ エンドポイントのトラブルシューティング
- ✅ 資産管理
- ✅ リモートデバイス監視
- ✅ 手作業による物流をデジタル化する
- ✅ 複数のアカウントを管理
- ✅ パフォーマンス監視
- ✅ リモートサポート
- ✅ 高度なサイバー防御
- ✅ 必須の統合機能
次のステップ： どれか一つの機能を選んで、今すぐ試してみてください。
ほとんどの人はリモートサポートから始めます。
5分もかかりません。
よくある質問
How do I use TeamViewer to connect to another computer?
Open TeamViewer on both computers. Enter the remote computer’s ID in the Partner ID box, click Connect, then type the password when prompted.
Is TeamViewer secure?
TeamViewer is secure, but never give out your TeamViewer ID or password if you don’t trust the person on the other end.
Can I transfer files with TeamViewer?
Yes. You must be connected to the other computer in order to send files to it. Use the File Transfer option in the session toolbar.
Do I have to install TeamViewer to use it?
No. A browser session works without installation. Installing TeamViewer Host adds unattended access, monitoring, and faster remote control.
TeamViewer は個人使用では無料ですか?
Yes. Personal, non-commercial use stays free. Paid plans start at $18.90 per month and add commercial rights, more devices, and remote support tools.
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