Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn about what effect closing a Microsoft account might have on your other apps and services.

Hotmail est maintenant Outlook.com. Découvrez comment vous connecter pour accéder à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.