Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

You can choose which apps will start automatically when you start your device.

Use System Restore. Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.

Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.

Use the Windows Settings app to change your desktop backgrounds and colors.

Learn how to install a scanner and use it to scan pictures and documents in Windows 10.

Find out how to boot into safe mode in Windows from Settings, the sign-in screen, and a black or blank screen.