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

Quick Assist lets someone you trust take over your Windows 10 or Windows 11 PC and fix a problem from wherever they are.

Use Find my device to locate and lock your lost or stolen Windows devices.

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

How to use the SUM function in Excel to add individual values, cell references, ranges, or a mix of all three.

Find out how to stop your screen from flickering after the upgrade to Windows 10.

Learn more about how to print web pages and documents in Microsoft Edge.

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.

Obtenga información sobre cómo activar Windows con una clave de producto o una licencia digital, comprobar el estado de activación y vincular su cuenta de Microsoft.

Активация Windows с помощью цифровой лицензии. Цифровые лицензии связаны с вашим оборудованием и учетной записью Майкрософт, поэтому вам не нужно ничего искать на своем компьютере.