Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

All about the Xbox app for Windows. Minecraft. How to install or uninstall a PC game. PC Game Pass FAQ. Get to know Game Bar on Windows. Game-specific help for Windows 10/11. Cross-network play on Windows devices and Xbox consoles. How to use cloud gaming. Use Game Bar to capture game clips and screenshots on Windows.

If you need to reinstall Office, select the version you want to install and follow those steps: Microsoft 365, Office 2019, Office 2016, Office 2013, Office 2010, or Office 2007. How to uninstall Office automatically.

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

The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account.

Give your PC a Fresh Start. Resetting your PC lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact. In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Hotmail が Outlook.com になりました。. サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。.