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 to manage background activity for apps to help save battery power in Windows.

Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

Learn how to AutoSave your files to OneDrive with Excel, PowerPoint or Word.

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

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

Use Find my device to locate and lock your lost or stolen Windows devices.

Update Microsoft Store. Select Start, then from the apps list, select Microsoft Store.In Microsoft Store, select Library > Get updates.If an update for Microsoft Store is available, it will start installing automatically.

This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.

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