Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.

To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts.

How to find and remove duplicates in Excel. Filter for unique values in large or small datasets to clean up your worksheets and workbooks.

Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings. (If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, click Settings, and then click Change PC settings.)

File Explorer in Windows 11 helps you get the files you need quickly and easily. To check it out in Windows 11, select it on the taskbar or the Start menu, or press the Windows logo key + E on your keyboard.. How to use File Explorer:

If your printer isn't responding, you may need to remove it and reinstall it so Windows can download and install the proper drivers. Make sure your printer is on and connected to your PC.

Advanced settings - This will open the classic Windows Defender Firewall tool which lets you create inbound or outbound rules, connection security rules, and see monitoring logs for the firewall. Most people won't want to dig into it that deeply; adding, changing, or deleting rules incorrectly can cause your system to be more vulnerable or can cause some apps not to work.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

On the Start menu, scroll down the all apps list to Microsoft Solitaire Collection, right-click (or press and hold) the tile and select Pin to Start .It'll be available on the Start menu.