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.
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
Filter websites and searches using Microsoft Family Safety
Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.
Applies To: Microsoft Family Safety
Sign in and create multiple profiles in Microsoft Edge
With Edge Chromium, you can add multiple profiles. Profiles allow multiple users to operate in a shared environment while maintaining access to their personalized browser settings, bookmarks, and extensions.
Check your device performance and health in Windows Security
Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.
Change the power mode for your Windows PC - Microsoft Support
Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.
在 Windows 10 中添加在启动时自动运行的应用 - Microsoft 支持
右键单击该应用,选择“更多”,然后选择“打开文件位置”。此操作会打开保存应用快捷方式的位置。 如果没有“打开文件位置”选项,这意味着该应用无法在启动时运行。
Set screen time limits across devices - Microsoft Support
Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.
Applies To: Microsoft Family Safety
打开或关闭 Windows 安全中心 - Microsoft 支持
Windows 安全中心已预安装在 Windows 10 中并可随时使用。
Microsoft Bing help - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
What is HDR in Windows 11? - Microsoft Support
Learn about HDR capabilities in Windows 11 to bring a wider range of colors and details to your display.