Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

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 what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Subscribed. A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.. Don't already have Microsoft 365, or you're looking for product details and prices? Buy or try Microsoft 365

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.