Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

Get free Windows themes from Microsoft to personalize background, colors and sounds for your PC.

How to use the COUNT function in Excel to count the number of cells that contain numbers, and to count numbers within a list of arguments.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

To adjust power and sleep settings in Windows 10, go to Start , and select Settings > System > Power & sleep.. Under Screen, select how long you want your device to wait before turning the screen off when you're not using your device.