Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

If you loved the free solitaire games from earlier versions of Windows, we've wrapped them all up in one convenient app, the Microsoft Solitaire Collection.

How to display desktop icons in Windows. Note: If you are in tablet mode, you may not be able to see your desktop icons properly.You can find the program by searching for the program name in File Explorer.

Get the steps for how to transfer photos and videos from your portable devices to your PC.

How to find and remove duplicates in Excel. Filter for unique values in large or small datasets to clean up your worksheets and workbooks.

Enter your current password, enter your new password, and then select Save.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how to change your Windows desktop background (wallpaper) and accent color using personalization settings.