Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
From the Microsoft 365 home page select Install apps. Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Using the Windows Activation troubleshooter - Microsoft Support
If you're unable to activate Windows 11, the Activation troubleshooter could help. To use the troubleshooter, select Start > Settings > System > Activation , and then select Troubleshoot . Open Troubleshoot settings. You must be signed in as an administrator to use this option.
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
What's the difference between a paid Microsoft 365 subscription and the ...
A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.
Enable TPM 2.0 on your PC - Microsoft Support
TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.
How to earn Microsoft Rewards points - Microsoft Support
How to earn Microsoft Rewards points. It’s easy to rack up Microsoft Rewards points and earn your way toward great rewards like gift cards, movies, games, nonprofit donations, and more. Stay signed in with your Microsoft account and you'll earn points for doing the things you already do.
Applies To: Microsoft account dashboard
How to use the PC Health Check app - Microsoft Support
PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC.
Seamlessly transfer content between your devices
While you can drag content between your phone and your PC, not all apps will accept content you want to transfer. If an app doesn’t accept your content, you can try using phone screen to transfer it instead. You can’t drag and drop files between your mobile apps from your PC.
Reinstall Windows - Microsoft Support
If you're having problems with Windows 11 on your PC or you want a fresh copy of Windows 11 without the clutter of old files or apps, you can reinstall Windows 11 to try and fix your issues and return your PC to a cleaner state.