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.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

In Windows 11, apps don't automatically get added to your desktop. Learn how to pin apps to your desktop or taskbar in Windows 11 or Windows 10.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

Use Settings in Windows 10 to change default apps and programs.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

Learn how to get Microsoft Store updates for your apps and games. Download the latest versions of Microsoft Store apps and games.