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 use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.

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.

Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

Learn how to find which version of Windows operating system your PC is running and device specifications.

Learn how to install a scanner and use it to scan pictures and documents in Windows 10.

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

Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机