クイックスタート
This guide covers every RealVNC Connect feature:
- はじめる — Create your account and install the software
- リモートアクセスと管理の使用方法 — Run any machine in your address book as if you were sitting at it
- リモートベンダーアクセスを使用する方法 — Give outside help exactly the access they need and nothing more
- RealVNC SDKの使い方 — Embed screen sharing inside your product instead of bolting it on
- RealVNC OEM の使い方 — Factory-installed remote support on the devices you manufacture
- オンデマンドアシストの使い方 — One-off support sessions using a short code and no install
- オンプレミスソリューションの使用方法 — Air-gapped deployments where no traffic touches external servers
- モバイルアクセスの使い方 — Full sessions from a phone when you are away from a PC
- 完全な制御とカスタマイズ機能の使い方 — Per-device settings so slow links and fast links both behave
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 run RealVNC Connect for two years across a Windows PC, a マック, an iOS tablet, and two Raspberry Pi boards. Every step below came from my own screen, not a vendor deck.
VNC stands for Virtual Network コンピューティング, and RealVNC Connect is the polished commercial version of it.
It lets you see and control a remote computer from anywhere with an internet connection.
Most people set up remote access once and never touch the rest of the software.
This guide walks through the whole thing, feature by feature.
RealVNC Connect Tutorial
This How to Use RealVNC Connect tutorial covers how to use RealVNC Connect from first install to per-device tuning.
RealVNCコネクト
Reach any desktop from any device in about three minutes. RealVNC リモートアクセスソフトウェア encrypts every session and works on Windows, Mac, Linux, iOS, and Raspberry Pi. Start a free trial without a credit card.
Getting Started with RealVNC Connect
Getting started with RealVNC Connect takes about three minutes.
Here is what my own setup looked like:
Now walk through each step.
Step 1: Create Your Account and Download the Viewer
Go to the RealVNC site and create a free account.
Download RealVNC Viewer for your operating system, then open the installer and click Accept and Install.
✓ チェックポイント: VNC Viewer opens and asks you to sign in.
Step 2: Sign In and Add the Device You Want to Reach
Sign in with the credentials you just created.
Installing RealVNC Server on the machine you want to connect to happens in the same download — pick the server package instead of the viewer.
ダッシュボードの画面は以下のようになります。
✓ チェックポイント: The device appears in your address book automatically.
Step 3: Enable Inbound Connections
In the server settings, tick the box next to Allow inbound connections.
You will be prompted to confirm by email the first time a new client joins your account.
The session itself is already secure, so there is nothing else to switch on.
✅ 完了: You should be able to connect to a remote desktop from any device on your account.
How to Use RealVNC Connect Remote Manager
リモートアクセスと管理 lets you control a remote computer using your own display, keyboard, and mouse.
以下に、その使用方法をステップごとに説明します。
Step 1: Open RealVNC Viewer
Launch RealVNC Viewer on the machine you are sitting at.
Sign in and your address book loads every device you want to reach.
Step 2: Pick Your Target Device
Click the tile for the device you want to control.
これは以下のようなものです。
✓ チェックポイント: The remote desktop opens in its own window within a few seconds.
Step 3: Work Like You Are Local
Type, click, and drag exactly as you would on the remote desktop.
✅ 結果: You can connect to a remote machine through the cloud without touching a router.
💡 プロのヒント: Rename every device in your address book. Finding the right server takes two seconds instead of twenty.
How to Access RealVNC Connect Remote Vendor
リモートベンダーアクセス lets you hand contractors narrow access without giving away admin rights.
以下に、その使用方法をステップごとに説明します。
Step 1: Open Your Team Settings
Go to the Teams area inside your RealVNC account.
Setting up a team is how user permissions stay manageable at scale.
Step 2: Invite the Vendor
Add their email address and assign them to a device group.
これは以下のようなものです。
✓ チェックポイント: The vendor shows up in your member list with a pending badge.
Step 3: Trim the Permissions
Give view-only or file-transfer rights instead of full control.
✅ 結果: An outside user can reach one device group and nothing else on your network.
💡 プロのヒント: Set a calendar reminder for the contract end date. Revoke the seat the same day.
How to Use RealVNC Connect SDK
RealVNC SDK lets you build remote access straight into your own software.
以下に、その使用方法をステップごとに説明します。
ステップ1：SDKへのアクセスを要求する
Contact RealVNC through your account and describe your use case.
You get client and server libraries plus sample code.
Step 2: Add the Libraries
Drop the client and server components into your project build.
これは以下のようなものです。
✓ チェックポイント: Your test build opens a session without the standard viewer installed.
Step 3: Test on a Sandbox System
Run a session between two test machines before shipping.
✅ 結果: Your application handles remote sessions natively with no third-party viewer.
💡 プロのヒント: Start with the sample project. Reading working code beats reading the reference docs first.
How to Use RealVNC Connect OEM
RealVNC OEM lets you ship hardware with RealVNC Server already installed.
以下に、その使用方法をステップごとに説明します。
Step 1: Confirm Your Platform
Tell the OEM team which operating system your hardware runs.
RealVNC will confirm whether that build is supported.
Step 2: Agree the Configuration
Decide which ports, branding, and defaults ship on the unit.
これは以下のようなものです。
✓ チェックポイント: The test unit accepts a session straight out of the box.
Step 3: Flash a Test Unit
Install the image on one device and connect to it before volume production.
✅ 結果: Every unit you ship supports remote access with zero setup by the buyer.
💡 プロのヒント: Lock the default password per unit. Shipping identical credentials across a fleet is a real risk.
How to Use RealVNC Connect On-Demand Assistant
オンデマンドアシスト lets you help someone once without installing anything permanent.
以下に、その使用方法をステップごとに説明します。
Step 1: Start an Instant Support Session
Open the session panel and generate a join code.
No VNC Server is needed on the remote machine.
Step 2: Read the Code to the User
They enter the code on the join page in their browser.
これは以下のようなものです。
✓ チェックポイント: Their desktop loads on your side once they approve the prompt.
Step 3: Take Control After Approval
The user clicks Allow and their screen appears on your PC.
✅ 結果: You fixed a problem on a stranger machine without installing software on it.
💡 プロのヒント: You will discover codes expire fast. Generate one only when the person is already on the phone with you.
How to Use RealVNC Connect Remote Access
オンプレミスソリューション lets you keep every session inside your own network using direct connections.
以下に、その使用方法をステップごとに説明します。
Step 1: Deploy the On-Premise Server
Install the package on a host inside your own network.
Direct connections skip the cloud entirely.
Step 2: Open the VNC Port
Allow TCP 5900, the default VNC port, through your firewall.
これは以下のようなものです。
✓ チェックポイント: A viewer on the same network reaches the host by IP without a login prompt failure.
Step 3: Point Viewers at the Host
Staff enter the IP address and port numbers instead of a device name.
✅ 結果: Every session stays encrypted and stays inside your perimeter.
💡 プロのヒント: Document the port numbers somewhere your helpdesk can find them. Nobody remembers 5900 under pressure.
How to Use RealVNC Connect Mobile Access
モバイルアクセス lets you reach your desktop from an iOS or アンドロイド 電話。
以下に、その使用方法をステップごとに説明します。
Step 1: Install the Mobile Viewer
Download RealVNC Viewer from the App Store or Google Play.
The iOS build handles pinch-zoom well on a tablet.
Step 2: Sign In to Your Account
Use the same credentials as your desktop viewer.
これは以下のようなものです。
✓ チェックポイント: Your saved devices appear on the phone within a second of signing in.
Step 3: Use the Gesture Bar
Tap the toolbar to switch between mouse mode and the on-screen keyboard.
✅ 結果: You can fix a server from a phone on a train with a decent internet connection.
💡 プロのヒント: Turn on the virtual trackpad. Direct-touch mode misclicks constantly on small screens.
How to Use RealVNC Connect Total Control and Customizability
完全な制御とカスタマイズ性 lets you tune picture quality, 安全, and behaviour per device.
以下に、その使用方法をステップごとに説明します。
Step 1: Open Preferences
Right-click a device tile and choose Properties.
Every setting here applies to that one device only.
Step 2: Set the Picture Quality
Drop to Low on slow links and Automatic on a fast network.
これは以下のようなものです。
✓ チェックポイント: Reopening the device applies your saved preferences without prompting.
Step 3: Save Your Session Defaults
Decide whether the viewer opens full screen and whether it scales.
✅ 結果: Each machine follows its own rules instead of one global setting.
💡 プロのヒント: Copy your tuned settings to new devices. The instructions in the docs cover exporting a profile.
RealVNC Connect Pro Tips and Shortcuts
After two years of daily use, these are the settings I change first.
キーボードショートカット
| アクション | ショートカット |
|---|---|
| Open the viewer toolbar | F8 |
| 全画面表示の切り替え | Ctrl + Alt + Shift + F |
| Ctrl + Alt + Del を送信 | Ctrl + Alt + Shift + Del |
| Close the current session | Ctrl + Alt + Shift + Q |
ほとんどの人が見逃す隠れた機能
- 多要素認証: Turn it on in account security. Login then needs a code from your phone plus your password.
- System authentication: Switch RealVNC Server to Unix password or Windows system authentication so the username and password match existing accounts.
- Session check from the terminal: Open a terminal on the host and run the command netstat -na to confirm the server is listening.
RealVNC Connect Common Mistakes to Avoid
Mistake #1: Assuming the Server Starts by Itself
❌ 間違い: Installing RealVNC Server on a Raspberry Pi and expecting it to run. It does not start automatically after install.
✅ 右: Enable VNC in the Raspberry Pi configuration desktop app, then check it with netstat.
Mistake #2: Reusing One Password Everywhere
❌ 間違い: One shared password across a whole team, with no second factor on the account.
✅ 右: Give every RealVNC Connect user their own seat and switch authentication to per-user credentials.
Mistake #3: Fighting Direct Connections Too 早い
❌ 間違い: Forwarding a VNC port on the router before trying the cloud route at all.
✅ 右: Use cloud connections first. Do not worry about IP addresses unless policy forbids external routing.
RealVNC Connect Troubleshooting
Problem: The Device Never Appears in Your Address Book
原因： The server signed in under a different RealVNC account.
修理： Open the server on that machine, sign out, and sign back in with the same account as the viewer.
Problem: Connection Times Out on a Direct Connection
原因： TCP 5900 is closed, or the network blocks that port.
修理： Allow the port through the firewall and confirm both machines sit on a reachable network.
Problem: The Screen Is Black After You Connect
原因： No display session exists yet on a headless Linux host.
修理： Switch VNC Server from service mode to virtual mode so it creates its own desktop.
📌 注記： If none of these fix your issue, contact RealVNC Connect support.
RealVNC Connectとは何ですか?
RealVNCコネクト is remote access software that shows you another computer screen and passes your input back to it.
Think of it like a very long cable running from your keyboard and mouse to a machine somewhere else.
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。
- リモートアクセスと管理： Cloud-routed sessions to every device in your address book.
- リモートベンダーアクセス： Scoped vendor permissions managed through teams.
- RealVNC SDK: Native libraries for embedding VNC into custom applications.
- RealVNC OEM: Pre-loaded server builds for hardware manufacturers.
- オンデマンドアシスト： Instant Support sessions that need no server on the far end.
- オンプレミスソリューション： Self-hosted deployment with no cloud routing.
- モバイルアクセス: Touch-optimised viewer apps for phones and tablets.
- 完全な制御とカスタマイズ性： Granular per-device session and security preferences.
Cross-platform support means the operating system on each end does not have to match.
詳細なレビューについては、こちらをご覧ください。 RealVNC Connect review.
Remote printing and file transfer are built in on the paid tiers.
RealVNC Connectの価格
Here is what RealVNC Connect costs in 2026:
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 必需品 | 月額8.25ドル | One person managing a handful of devices |
| プラス | 月額16.50ドル | Small teams that need file transfer and more sessions |
| プレミアム | 月額29.75ドル | Businesses needing vendor access and tighter controls |
無料トライアル: Yes — every paid tier can be tested before you pay.
返金保証: Handled case by case through RealVNC support.
💰 最もお得な価格: Essentials — it already includes encrypted sessions and multi factor authentication.
RealVNC Connect vs Alternatives
How does RealVNC Connect compare? Here is the competitive landscape:
| 道具 | 最適な用途 | 価格 | 評価 |
|---|---|---|---|
| RealVNCコネクト | クロスプラットフォームのリモートアクセス | 月額8.25ドル | ⭐ 4.1 |
| ゲットスクリーン | ブラウザベースのアクセス | 月額8ドル | ⭐ 4.6 |
| チームビューアー | Enterprise support desks | 月額24.90ドル | ⭐ 4.4 |
| エニーデスク | Low-latency sessions | 月額14.90ドル | ⭐ 4.5 |
| スプラッシュトップ | Classrooms and creative work | 月額5ドル | ⭐ 4.7 |
| リモートPC | Budget unattended access | 月額3.95ドル | ⭐ 4.3 |
| 解決へ進む | Helpdesk ticketing | 月額23ドル | ⭐ 4.4 |
| ISLオンライン | Self-hosted licensing | 月額14.90ドル | ⭐ 4.6 |
| ビヨンドトラスト | Regulated environments | カスタム | ⭐ 4.5 |
おすすめ商品：
- 総合ベスト： RealVNC Connect — it supports the widest range of operating systems.
- ベスト予算： RemotePC — the cheapest way to reach a PC unattended.
- 初心者におすすめ： Splashtop — almost nothing to configure.
- Best for Raspberry Pi: RealVNC Connect — VNC Server ships on the Pi already.
🎯 RealVNC Connect Alternatives
Looking for RealVNC Connect alternatives? Here are the top options:
- 🚀 画面取得: Runs entirely in a browser tab. No client to install on the machine you want to connect from.
- ⭐ チームビューアー: The best-known name in remote access, with deep helpdesk tooling and a much higher price.
- ⚡ AnyDesk: Very light client and fast sessions over weak internet links.
- 💰 スプラッシュトップ: Strong value for 学校 and design teams that need colour-accurate display streaming.
- 👶 リモートPC: Simple enough for a first-time user, with cheap unattended access to a home PC.
- 💼 解決へ進む: Bundles remote access with ticketing so support teams work in one place.
- 🔒 ISLオンライン: Offers a self-hosted server for organisations that cannot route traffic off site.
- 🏢 信頼を超えて： Enterprise-grade privileged access with heavy 監査 and vendor session control.
全リストについては、こちらをご覧ください。 RealVNC Connectの代替品 ガイド。
⚔️ RealVNC Connect Compared
Here is how RealVNC Connect stacks up against each competitor:
- RealVNC ConnectとGetscreen: Getscreen wins on zero-install access. RealVNC wins on Raspberry Pi and Linux depth.
- RealVNC ConnectとTeamViewer: TeamViewer has more helpdesk features. RealVNC costs a third as much per user.
- RealVNC ConnectとAnyDesk: AnyDesk feels faster on poor links. RealVNC offers stronger per-device access control.
- RealVNC ConnectとSplashtopの比較: Splashtop is cheaper for large classrooms. RealVNC supports more server platforms.
- RealVNC ConnectとRemotePC: RemotePC is the budget pick. RealVNC handles teams and vendor access far better.
- RealVNC ConnectとGoTo Resolveの比較: GoTo Resolve bundles ticketing. RealVNC is the better pure remote access tool.
- RealVNC Connect vs ISL Online: Both offer on-premise deployment. RealVNC has the stronger viewer on mobile.
- RealVNC Connect と BeyondTrust: BeyondTrust suits regulated enterprises. RealVNC is far simpler to configure and run.
Start Using RealVNC Connect Now
You learned how to use every major RealVNC Connect feature:
- ✅ リモートアクセスと管理
- ✅ リモートベンダーアクセス
- ✅ RealVNC SDK
- ✅ RealVNC OEM
- ✅ オンデマンドアシスト
- ✅ オンプレミスソリューション
- ✅ モバイルアクセス
- ✅ 完全な制御とカスタマイズ性
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、リモートアクセスと管理から始めます。
5分もかかりません。
よくある質問
RealVNC Connectは無料ですか？
RealVNC Connect offers a free tier for personal use on up to three devices. 仕事 plans start at $8.25 per month, and every paid plan includes a free trial.
VNC Connectは安全ですか？
Yes. Every session is encrypted end to end, and you can enable multi factor authentication on your account so a password alone is never enough to connect.
RealVNC Connectの料金はいくらですか？
Three paid tiers exist: Essentials at $8.25/month, plus at $16.50/month, and Premium at $29.75/month. Pricing is per user, and each tier adds device and session limits.
VNC Connectはどのように動作するのですか？
RealVNC Server captures the remote computer screen and sends it to RealVNC Viewer. Your keyboard and mouse input travels back, so you control the desktop live.
Does RealVNC Connect work on Raspberry Pi?
Yes. Raspberry Pi ships with VNC Viewer and VNC Server preinstalled. Enable VNC in the Raspberry Pi configuration app, and the Home license carries special privileges.
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