Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

如果应用已打开，请在任务栏上找到应用的图标按钮，长按此按钮，然后向上滑动，直到出现“应用列表”。 如果你使用的是鼠标，请在任务栏上找到应用图标按钮，右键单击此按钮，然后选择“固定到任务栏”。

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

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

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

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.

To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.

Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.

Organize your ideas. Collections help you keep track of your ideas on the web - shopping, planning a trip, research, or just want to pick up where you left off.