Fix Bluetooth disappeared in Windows | Microsoft Support
Fix Bluetooth disappeared in Windows Windows 11 Windows 10 The Bluetooth icon or toggle may be missing or appear grayed out in Settings or Quick settings if Windows cannot detect or enable the Bluetooth feature. When this happens, Bluetooth options may not appear, or you may not be able to turn Bluetooth on or off. This issue can occur for several reasons, including incorrect Bluetooth ...
Enable and disable a touchscreen in Windows | Microsoft Support
To enable or disable a touchscreen in Windows, follow these steps: Right-click on the Start menu and select Device Manager. In the Device Manager window that opens, select the arrow next to Human Interface Devices to expand it.
Use Game Mode while gaming on your Windows device
Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.
了解 Windows 上的Game Bar | Xbox Support
了解如何使用 Game Bar 擷取遊戲內容、與好友聊天、追蹤成就等。
Turn Bluetooth on or off in Windows | Microsoft Support
Learn the step for turning Bluetooth on or off in Windows using the Settings app, quick settings, and action center.
KB5054156: Feature update to Windows 11, version 25H2 by using an ...
Summary Windows 11, versions 24H2 and 25H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 25H2 are included in the latest monthly quality update for Windows 11, version 24H2 but are in an inactive and dormant state. These new features will remain dormant until they are turned on through the “enablement package ...
How to find and enable missing Copilot button in Microsoft 365 apps
Last updated: July 2026 Can't find the Copilot button? If the Copilot button seems to be missing from your Microsoft 365 app, it's usually one of two reasons. Check the first one before you try the troubleshooting steps. The button moved, so it might not be missing. We've consolidated how you open Copilot into a single, consistent entry point: the Copilot Dynamic Action Button, anchored in the ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Microsoft 365
Enable Virtualization on Windows | Microsoft Support
Summary Virtualization lets your Windows device emulate a different operating system, like Android or Linux. Enabling virtualization gives you access to a larger library of apps to use and install on your device. If you upgraded your device from Windows 10 to Windows 11, these steps help you enable virtualization.
Windows 11 and Secure Boot | Microsoft Support
Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.
Configure Windows Hello | Microsoft Support
Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.