Check the Xbox services, games, and apps for any service outages.

Uninstall from the Start menu. Select Start > All apps and search for the app in the list shown.

Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).

To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.

When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.

Note: If you don't see Extensions to the right of your browser address bar, select Settings and more > Extensions.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

Xbox Game Pass Ultimate 和电脑成员在其订阅中享受 EA 数字购买（完整游戏、DLC 等）10% 的优惠。Ultimate 成员可以通过 Xbox 主机或 Xbox.com 上的 Microsoft Store 购买主机游戏，Ultimate 和 PC 成员现在可以在 Beta 版中通过 EA 应用购买电脑游戏。

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.