Use VLOOKUP, HLOOKUP, and other functions like INDEX and MATCH to search for and find data based on values you enter. This article gives you a quick VLOOKUP refresher, then links to more.

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 how to sign in or out of your Outlook.com email account, and get solutions for common login issues.

Find out how to connect your Xbox Wireless Controller to a Windows device.

Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.

Learn how to access the Control Panel in Windows for managing your system settings and programs.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.