If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.

Learn how to download, install, and configure additional language packs for your version of Windows.

32-bit install. Choose between 32-bit or 64-bit installation. Insert the Office 2010 disc into the drive. If the setup wizard doesn't start automatically, click the file folder icon on the taskbar or press ⊞ Win + E keys on your keyboard, right-click the disc drive icon, select Open, and then double-click setup.exe.

Learn how to download the new version of Microosft Edge, based on Chromium.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.

Learn how to use keyboard shortcuts in Word to navigate, select, format, and edit your documents faster and easier.

How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.