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.

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.

Learn more about product keys, Workplace Discount Program, and volume licenses. 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.

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're having trouble redeeming a code, then get help here. Redeem gift cards and codes to make Xbox purchases and extend your Xbox subscriptions. Codes are 25 characters long, include both numbers and letters, and follow a 5x5 format—five blocks of five characters.

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.

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

With a Microsoft or Xbox gift card, you let the lucky recipient choose the gift they want. To buy a gift card, visit: Microsoft and Xbox gift cards. Note Microsoft Store links may not be available in all markets. Make sure to check the product page for info about availability in your region.

Add an extension to Microsoft Edge from the Chrome Web Store. Extensions designed for Google Chrome can also be used in Microsoft Edge. In Microsoft Edge, go to the Chrome Web Store. Select Allow extensions from other stores in the banner at the top of the page, then select Allow to confirm.

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.