Cast to a display from a 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 enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

Add flair to your email with emojis. Outlook for Microsoft 365 Outlook 2021 Outlook 2019 Outlook 2016. Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji. Hold Windows key + . (period) to open the Windows Emoji picker.

Swift Pair in Windows 11 lets you quickly pair a supported Bluetooth device with your PC. If the Bluetooth device supports Swift Pair, you’ll receive a notification when it's nearby and you put it into pairing mode to make it discoverable. Turn on a Bluetooth device that supports Swift Pair and make it discoverable.

A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive. You might be prompted for the BitLocker recovery key during startup, due to a security risk or hardware change:

If you are having trouble with your microphone features, or with the microphone on your headset or webcam, the following information can help you troubleshoot and resolve issues.

Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.

Find and add an extension to Microsoft Edge. In Microsoft Edge, select Extensions, located to the right of your browser address bar. Note: If you don't see Extensions to the right of your browser address bar, select Settings and more > Extensions. Select Get Extensions for Microsoft Edge.

If you're having trouble installing updates, see Troubleshoot problems updating Windows. For answers to frequently asked questions, see Windows Update: FAQ. To get the latest major update of Windows 11, see Get the latest Windows update. Check for Windows updates.

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.