Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

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.

Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.

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

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.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

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