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

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.

Cast to an external display from your Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

Learn how to fix connections to Bluetooth audio devices and wireless displays. To pair a Bluetooth keyboard, mouse, or other device. Turn on your Bluetooth keyboard, mouse, or other device and make it discoverable. The way you make it discoverable depends on the device.

Enabling virtualization gives you access to a larger library of apps to use and install on your device. If you upgraded your device from Windows 10 to Windows 11, these steps help you enable virtualization.

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.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

If you want to disable DRR and use a fixed refresh rate, you can select a specific value from the drop-down menu, such as 60 Hz, 120 Hz, etc. Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

In Microsoft Edge, select and hold (or, right-click) the icon of the extension you want to remove (to the right of your browser address bar). Select Remove from Microsoft Edge > Remove. To the right of your browser address bar, select Extensions and select More actions next to the extension you want to remove.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.