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View hidden files and folders in Windows - Microsoft Support
Select the View tab and, in Advanced settings, select Show hidden files, folders, and drives and OK.
Install Windows 7 Service Pack 1 (SP1) - Microsoft Support
The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.
Troubleshoot Surface Type Cover or Keyboard - Microsoft Support
You'll see the logo screen on your screen. Continue to hold the Volume Up button. Release the button when the UEFI screen appears. If you have a Windows Pro/Enterprise device (not a Windows Home device), you can then toggle off Type Cover port from the Devices menu and exit UEFI. Re-enter UEFI (press power + Volume Up) and toggle Type Cover port back on, then check if the Keyboard works in UEFI.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Getting the most out of your PC backup - Microsoft Support
When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.
在 Windows 中更改监视器上的刷新率 - Microsoft 支持
Windows 11引入了一项称为动态刷新速率 (DRR) 的新功能,该功能会根据你当时执行的操作自动调整刷新率。 这可以帮助你获得两全其美:当你需要游戏、浏览或墨迹书写时获得流畅的体验,当你不执行这些类型操作时,电池使用时间更长。
Change privacy settings in Windows - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Troubleshoot screen flickering in Windows - Microsoft Support
Press Ctrl + Alt + Delete to open Task Manager.If you don’t see Task Manager after pressing Ctrl + Alt + Delete, press Ctrl + Shift + Esc to open Task Manager.. If Task Manager flickers along with everything else on the screen, a display driver is probably causing the problem.
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Skype for Business help - Microsoft Support
Make and receive calls using Skype for Business. Set call forwarding options. Edit phone number. Start a Skype for Business conference call. Make and receive a Skype for Business video call
Applies To: Skype for Business, Skype for Business Basic, Skype for Business for Mac, Skype for Business Online