Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.

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

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.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.

Find and download free templates to create documents like calendars, business cards, letters, greeting cards, brochures, newsletters, or resumes.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Create Outlook Data Files (.pst) on your computer to save Outlook items by account, project, or to archive older items.

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