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.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Create an alias to give you an additional email address which uses the same inbox, contact list, and account settings as your primary email address in Outlook.com.

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

How to use the COUNT function in Excel to count the number of cells that contain numbers, and to count numbers within a list of arguments.

Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Discover how to effectively utilize your computer keyboard and master various keyboard shortcuts for efficient computing.

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

Learn how to back up apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC.