Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Defragment your Windows 10 PC. Optimizing your drives can help your PC run smoother and boot up faster.

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.

That verification method isn’t working right now: Sometimes the block may be tied to the verification method you are using.Try using another verification method connected to your account. For example, if you are using SMS to verify yourself and are hitting a block, try using an alternate email that is connected to the account to receive your authorization code.

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

Learn how to use drag and drop to transfer content between your Android device and PC.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

Learn how to open a shared mailbox in Outlook. Shared mailboxes let a group of users view and send email, and share a calender, and open a contact list from a common mailbox.