Contact Microsoft Office Support for assistance with Microsoft 365, Office, Windows, Xbox, Surface products and more.

Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

创建适用于 Windows 的安装介质. 你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。. 要创建安装介质，请转到 软件下载网站 ，你可以在这里找到分步说明。. 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建 ...

Outlook.com アカウントや Hotmail.com アカウント、Microsoft 365で使用する職場または学校アカウント、Gmail、Yahoo、iCloud、Exchange アカウントなど、さまざまな種類のメール アカウントを Outlookに追加できます。

Switch to the new Teams and experience the fastest version of Teams yet, rebuilt from the ground up. With a performance-first mindset, the new Teams is faster, simpler, and more flexible than ever before. In the new Teams, you can switch between apps, respond to chat messages, and join meetings and calls faster while using less battery and memory. Launch and navigate in fewer clicks, with the ...

Contact Microsoft Support. What's new. Surface Pro. Surface Laptop. Surface Laptop Studio 2. Surface Laptop Go 3. Microsoft Copilot. AI in Windows. Explore Microsoft products.

Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate.

Windowsのドライバー更新プログラムと、ネットワーク アダプター、モニター、プリンター、ビデオ カードなどの多くのデバイスは、Windows Updateを介して自動的にダウンロードおよびインストールされます。 おそらく既に最新のドライバーをお持ちですが、ドライバーを手動で更新または再 ...

How to access and change the privacy settings in Windows 10 and 11.

Here's how to view your product key in the Microsoft Store: Go to www.microsoftstore.com. In the upper right-hand corner, select Sign in and enter the user ID and password you used to buy Office. After you sign in, select your name in the upper right-hand corner, and then select Order History.