Things to try if you've purchased Copilot but don't yet see it in your Microsoft 365 apps.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

A TPM, or Trusted Platform Module, improves the security of your PC by securely creating and storing cryptographic keys. TPM 2.0 is a key part of making Windows 11 even more secure.

System requirements and setup steps for the Phone Link app

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

If you need help with Outlook.com, you can read our self-help content, or get support via email.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，可以使用预安装在设备上的连接至 Windows 应用或从 Google Play 或 Samsung Galaxy Store 下载的应用连接到选择 Android、Samsung、HONOR、OPPO 和华硕设备。

Learn how to use keyboard shortcuts in Word to navigate, select, format, and edit your documents faster and easier.

Explore your options and settings when you install add-ins.