Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn. For Microsoft 365 Germany go to portal.office.de. This completes the download of Microsoft 365 to your device. To complete the installation, follow the prompts in the "Install Microsoft 365" section below.
Applies To:
Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, 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
Codecs in Media Player - Microsoft Support
Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.
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.
Windows help and learning
Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
All about PC gaming with Xbox
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.
How to redeem gift cards and codes | Xbox Support
If you're having trouble redeeming a code, then get help here. Redeem gift cards and codes to make Xbox purchases and extend your Xbox subscriptions. Codes are 25 characters long, include both numbers and letters, and follow a 5x5 format—five blocks of five characters.
Add, turn off, or remove extensions in Microsoft Edge
Add, turn off, or remove extensions in Microsoft Edge. Applies To. Extensions, or add-ons, are simple tools that customize your browser experience and offer you more control. Here's how to add, turn off, and remove them in Microsoft Edge .
Subscriptions & billing | Xbox Support
Buy games & apps. Get help with purchase errors. Pre-order Xbox digital games in the Microsoft Store. Use PayPal with your Microsoft account. Use mobile operator billing with your Microsoft account. Update your billing address and payment options. Xbox Free Play Days FAQ.
Enable virtualization on Windows - Microsoft Support
Enabling virtualization gives you access to a larger library of apps to use and install on your device. If you upgraded your device from Windows 10 to Windows 11, these steps help you enable virtualization.
Manage website notifications in Microsoft Edge
In Edge, go to Settings and more in the upper right corner of your browser window. Select Settings > Cookies and site permissions and select Notifications. Under Allow, you will find a list of websites that are currently sending you notifications.
Applies To:
Microsoft account dashboard