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Enable and disable your touchscreen in Windows - Microsoft Support
Enable and disable your touchscreen in Windows 10. In the search box on the taskbar, type device manager, then select Device Manager.
Free up drive space in Windows - Microsoft Support
Find out how to free up space on your device by deleting unnecessary files, uninstalling apps, and moving files to other drives.
Fix Bluetooth problems in Windows - Microsoft Support
Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.
Shut down (turn off) your PC - Microsoft Support
Learn how to properly shut down your PC with step-by-step instructions from Microsoft Support.
Find your Windows product key - Microsoft Support
Learn how to find a Windows product key for activation, and when you'll use a digital license instead.
Applies To: Microsoft account dashboard
Office 2019、Office 2016、または Office 2013 をダウンロードしてインストールまたは再インストールする
PC に Office 2013 または Office for Mac 2011 をインストールする方法について説明します。
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Ways to install Windows 11 - Microsoft Support
Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.
Turn Bluetooth on or off in Windows - Microsoft Support
Here's how to turn Bluetooth on or off in Windows 10: Select the Start button, then select Settings > Devices > Bluetooth & other devices.
Change desktop background and colors - Microsoft Support
Learn how to change your Windows desktop background (wallpaper) and accent color using personalization settings.
Start your PC in safe mode in Windows - Microsoft Support
Find out how to boot into safe mode in Windows from Settings, the sign-in screen, and a black or blank screen.