Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.
更新 Xbox 无线控制器 | Xbox Support
使用最新软件更新控制器可最大程度地提高控制器的功能和兼容性。 可以使用 USB 连接，也可以在电脑上使用 Xbox 配件应用，从而以无线方式更新控制器。
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.
Organize your ideas with Collections in Microsoft Edge
Collections in Microsoft Edge helps you keep track of your ideas on the web, whether you're shopping, planning a trip, collecting notes for research or lesson plans, or just want to pick up where you left off the last time you were browsing the internet.
Office Help & Training
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Использование панели задач в Windows 11
Узнайте, как использовать функции панели задач в Windows 11. Скрытие панели задач, закрепление приложения, изменение расположения и другие параметры панели задач.
How to play MP4 files in Windows 10 - Microsoft Support
Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.
Microsoft Teams (free) - Microsoft Support
Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.
Applies To:
Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
Remotely install and manage games | Xbox Support
Use the Xbox mobile app, the Xbox Game Pass app, or the Microsoft Store on PC to remotely install games—so your games are ready when you are.