Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Learn how to troubleshoot and use the clipboard in Windows to paste multiple items, pin items, and sync your clipboard to the cloud.

Learn how to download, install, and configure additional language packs for your version of Windows.

With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.

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.

Extensions, or add-ons, are simple tools that customize your browser experience and offer you more control. Here's how to add, turn off, and remove them in Microsoft Edge .

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.