Learn how to change or reset your Windows password if you've forgotten or lost it.

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.

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

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

Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.

Get help with using mail, calendar, and contacts on Outlook.com.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.