Windows 8.1 support ended on January 10, 2023
PCs originally built with Windows 8.1 are designed with technology that is about 10 years old. Once you move to a new PC, there will be many aspects of Windows that you will find familiar, but also with important software and hardware innovations and capabilities that were not available a decade ago.
Touch gestures for Windows - Microsoft Support
Touch gestures. You can use these gestures on the touch screen of your Windows 11 device. To turn touch gestures on, select Start > Settings > Bluetooth & devices > Touch > Three- and four-finger touch gestures, and make sure it's turned on.
Create a standard, private, or shared channel in Microsoft Teams
Add members to a shared channel. When creating a shared channel, the default setting is Share this channel with everyone on the team.. After you've chosen Shared channel as the channel type in the selection box, type the names of the people in your org you want to add to the channel and choose them from the list.
Applies To: Microsoft Teams
Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持,并了解安装、更新、隐私、安全等方面的信息。
Description of the Windows Update Standalone Installer in Windows
Describes how use Wusa.exe to install and uninstall update packages in Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, Windows Server 2012 R2, Windows 10, and Windows Server 2016 Technical Preview.
How to delete the contents of the Temporary Internet Files folder
An administrator might have customized the settings for your Temporary Internet Files folder to prevent you from changing the settings. For example, the administrator can remove the General tab from the interface in the Internet Options dialog box. If you cannot access the Internet Options dialog box or the General tab, contact your administrator for more information.
Stream HDR video on Windows - Microsoft Support
You select Optimize for video quality for Battery options in the Video playback settings. Because playing HDR video uses more battery power, if you select Optimize for battery life for Battery options, you won’t get HDR video when your device is running on battery.To change this, select Start , then search for settings.Select Settings > Apps > Video playback .
Turn tablet mode on or off - Microsoft Support
Tablet mode makes Windows 10 more touch-friendly when using your device as a tablet. Select action center on the taskbar (next to the date and time), and then select Tablet mode to turn it on or off.. Use your PC like a tablet
How to perform a clean boot in Windows - Microsoft Support
How to determine what is causing the problem after you do a clean boot. If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.
End of support for Cortana - Microsoft Support
We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.