Learn how to access your Hotmail or Outlook.com email account with your Microsoft Account password. Find troubleshooting tips, service status, and help options if you have problems signing in.

Learn how to turn on Bluetooth and pair various devices with your PC, such as keyboards, mice, phones, speakers, and more. Find out how to use Swift Pair, fix Bluetooth problems, and adjust Bluetooth pairing settings in Windows 11 and earlier versions.

Learn how to create and use app passwords for devices that don't support two-step verification. Find out how to sign in with app passwords for different apps and devices, such as Xbox 360, Outlook, and BlackBerry.

Learn how to enable or disable macros in Excel and other Microsoft 365 apps. Find out how to make a document trusted, change macro settings, and protect yourself from macro viruses.

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。

Learn how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Find out how to redeem your product key, activate your software, and troubleshoot common issues.

Learn how to change your Xbox gamertag on the web, your Xbox console, and your Windows device. Find out the rules, fees, and tips for creating a new gamertag across Xbox services.

Learn how to use the improved copy and paste feature in Microsoft Edge to share web URLs as hyperlinked titles or web addresses. You can change the default behavior and paste options in the settings menu.

DEP is a Windows technology that prevents executable code from running in data-only memory areas. Learn how to turn DEP on or off in the Windows Security app and why it's important for your PC's security.

Find solutions for common issues and errors when installing Microsoft 365, Office 2021, 2019, or 2016 on your PC or Mac. Learn how to download, reinstall, activate, update, and uninstall Office products.