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.
Create a recovery drive - Microsoft Support
For Windows 8.1, see Create a USB recovery drive. To download Windows 11 installation media, see Recovery options in Windows. Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.
Create installation media for Windows - Microsoft Support
You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.
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
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.
Ways to install Windows 11 - Microsoft Support
Make sure the device you want to install Windows 11 on meets the minimum system requirements. If your device is currently running Windows 10, we recommend you verify the minimum system requirements using the PC Health Check app. We do not recommend installing Windows 11 on a device that doesn't meet requirements.
Product keys for Windows - Microsoft Support
Product keys for Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.
Change your app recommendation settings in Windows
To help protect your PC and keep it running smoothly, Microsoft recommends only installing apps from the Microsoft Store. You can choose where you can get apps from and if you want to see app recommendations when you try to install an app from outside of the Microsoft Store.
Language packs for Windows - Microsoft Support
The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.
Install Office apps from Office 365 - Microsoft Support
After you've signed up for Microsoft 365, you and your employees can install Office apps. Sign in to the Microsoft 365 admin center, and choose Office software. Under Language, choose the language you want, and then choose Install. When prompted, choose Run.
在 Windows 上安装移动应用和Amazon Appstore - Microsoft 支持
在 Windows 上安装移动应用和Amazon Appstore. Windows 11. 注意: 2025 年 3 月 5 日之后,适用于 Android 的 Windows 子系 (Windows Subsystem for Android™) 和 Amazon Appstore 将不再在 Microsoft Store 中提供。. 了解详细信息 。. 若要在Windows 11电脑上使用移动应用,需要安装Amazon Appstore ...