Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

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

XLOOKUP function Use the XLOOKUP function to find things in a table or range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term and return a result from the same row in another column, regardless of which side the return column is on.

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

You can choose your desktop background and change it at any time. Select Start > Settings > Personalization > Background. In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day). Note: If you can't select the Windows Spotlight option, your ...

If you purchased a Microsoft 365 subscription from a third-party retailer instead of the Microsoft Store, contact the third-party retailer directly to manage your subscription and billing.

Select the Start button and scroll to find the app you want to run at startup. Right-click the app, select More, and then select Open file location. This opens the location where the shortcut to the app is saved. If there isn't an option for Open file location, it means the app can't run at startup. With the file location open, press the Windows logo key + R, type shell:startup, then select OK ...

Learn how to download, install, and configure additional language packs for your version of Windows.

Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery .