Which version of Windows do I have? To find your Windows version and edition, you can use one of the following methods: In the Settings app , select System > About

Learn how to check what version of Office your using. Find your product name and version number of Office apps.

You’ll see your Office version and information under Product information, on the right side of the window. If you don’t see File>Account or File>Help , you might be using an older version of Office.

The steps in this topic assume you have Microsoft 365 or Office and you're ready to install or reinstall it. Don't have the latest version yet? Buy or try Microsoft 365. Learn more about the differences between Microsoft 365 and non-subscription versions.

There are now two versions of Outlook for Windows: new Outlook for Windows and classic Outlook for Windows. To determine if the Outlook for Windows version you're using is new Outlook or classic Outlook, check if there's a File tab on the ribbon. If File doesn't appear, you're using new Outlook.

Open Microsoft Edge, select Settings and more (...), and then select Settings. Look for your version under About Microsoft Edge.

To find out what version of Teams you're on and ensure you have all the latest features and improvements, regularly check for updates and install them. Here's how: Microsoft Teams (free)

Office LTSC is the latest perpetual version of Microsoft 365 for commercial and government customers, a device-based license available as a one-time, “perpetual” purchase, available on both platforms (Windows and Mac).

The 64-bit version of Microsoft 365 is automatically installed unless you explicitly select the 32-bit version before beginning the installation process. To install either the 32 or 64-bit version of Microsoft 365, Office 2021, or Office 2019, follow the steps in Install Office on a PC .

If they rotate 90°, you have the first version of Surface Headphones. If they rotate 180° and have a mute button on the right ear cup, you have Surface Headphones 2. If they rotate 180° and have a Microsoft Teams button on the right ear cup, you have Surface Headphones 2+.