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.
Windows 11, version 22H2 update history - Microsoft Support
Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)
Microsoft 365 Training
Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.
Windows 的产品激活 - 联机和支持电话号码 - Microsoft 支持
要使用 Internet 连接激活 Windows 11,请: 由于 Windows 11 将在用户连接到 Internet 时自动激活,因此可通过选择“开始” >“设置” >“更新和安全” >“激活”,并在“Windows”下面查看来确认激活状态。 如果联机激活失败,请首先尝试 激活 Windows 中的激活疑难解答。. 要通过电话激活 Windows 11,请:
Update your Microsoft account if you’re moving to a new country or ...
You’ve moved to a different country. You’re already in a region different from the one that was set for your account and/or console. (If you’re temporarily elsewhere, such as on military assignment, you don’t need to change your region.)
Codecs FAQ - Microsoft Support
There isn't a way to determine with absolute certainty the codec used to compress a file, but the following are your best options: To determine what codec was used with a specific file, play the file in the Player, if possible.
Stay safe with a genuine Office license - Microsoft Support
Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.
Applies To: Office 2019
Como usar o aplicativo Verificação de integridade do PC
Se você estiver executando o Windows 10, a Verificação de integridade do PC fornece uma verificação de qualificação abrangente para seu dispositivo para garantir que ele atenda aos requisitos mínimos do sistema Windows 11.. Você obterá informações sobre por que seu dispositivo é ou não qualificado, além de informações sobre o que você pode fazer se seu dispositivo não ...
How to redeem Microsoft Rewards points - Microsoft Support
Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.
Applies To: Microsoft account dashboard
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
若要将其关闭,请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备(以及网络,如果有)更容易受到未经授权的访问。
关闭、禁用或卸载 OneDrive - Microsoft 支持
OneDrive 内置在某些版本的 Windows 中,并且无法卸载。 但是可将其隐藏并停止同步过程,使其保持隐藏状态。 为此,请关闭所有 OneDrive 设置并从“文件资源管理器”中删除 OneDrive 文件夹。
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), Office.com, OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet