Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup. Redeeming your key is what links your account with Microsoft 365 so you only have to do this once.

Codec packs add additional codec support to Windows. Apps like Media Player will then be able to play media files encoded in these formats. The following codecs packs are available: MPEG-2 Video Extension. Adds support for the MPEG-1 and MPEG-2 video formats. HEVC Video Extension.

Here's some of the things you can do in the PC Health Check app in Windows: If you’re currently running Windows 10, PC Health Check provides a comprehensive eligibility check for your device to ensure it meets the Windows 11 minimum system requirements.

You can link your social media account in one of two ways: Use the Xbox mobile app to scan the QR code. Select the Link option which will launch the Microsoft Edge app on Xbox. You can choose to link your Discord, Reddit, Steam, Twitch, or other social media account.

For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn. For Microsoft 365 Germany go to portal.office.de. This completes the download of Microsoft 365 to your device. To complete the installation, follow the prompts in the "Install Microsoft 365" section below.

Use Xbox app on mobile or Xbox.com to remotely install games—so your games are ready when you are. Here’s how to get your console and Windows device ready for installations that you’ll be able to start from your PC, mobile device, or from Xbox.com.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Pair a Bluetooth device in Windows. You can pair all kinds of Bluetooth devices with your PC—including keyboards, mice, phones, speakers, and a whole lot more. To do this, your PC needs to have Bluetooth. Some PCs, such as laptops and tablets, have Bluetooth built in.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

You and your colleagues can open and work on the same Excel workbook. This is called co-authoring. When you co-author, you can see each other's changes quickly—in a matter of seconds. And with certain versions of Excel, you'll see other people's selections in different colors.