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. Microsoft 365 を 初めて インストールする場合は、まずいくつかのセットアップ手順を実行する必要があります。. 以下の詳細に関するセクションを展開して ...

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

Open Device Manager. Right-click the name of the device, then select Uninstall device. Select Uninstall and then restart your PC. Windows will attempt to reinstall the driver. If Windows doesn't find a new driver and reinstalling the driver doesn’t help, contact your PC’s manufacturer for help. Things to try to fix touchpad problems in ...

Select the Network icon on the right side of the taskbar, and then move the Brightness slider to adjust the brightness. (If the slider isn't there, see the Notes section below.) Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. To find out if your PC supports this, select Settings > System ...

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.

Windows 10. To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.

To adjust power and sleep settings in Windows 11, select Start > Settings > System > Power & battery > Screen and sleep. Screen: Select how long you want your device to wait before turning the screen off when you're not using your device.

Sign out of Hotmail or Outlook.com. To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.