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.

Arrange your displays. If you have multiple displays, you can change how they're arranged. This is helpful if you want your displays to match how they're set up in your home or office. In Display settings, select and drag the display to where you want. Do this with all the displays you want to move.

Learn how to refresh your Windows 8.1 PC without deleting any of your personal files, reset it to its original condition, or restore it to an earlier point in time.

Change screen brightness in Windows. Select the Network icon on the right side of the taskbar, and then move the Brightness slider to adjust the brightness. (If the slider isn't there, see the Notes section below.)

If you see a list of Android devices, choose the one you wish to pair with Phone Link to access your favorite apps, respond to texts, make calls, view photos, and more from your PC. Grant permissions on the Link to Windows app on your Android device. You are all set to use Phone Link.

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.

ReadyBoost lets you use a removable drive, like a USB flash drive, to improve your PC’s performance without opening your PC and adding more memory (RAM). To use ReadyBoost, you’ll need a USB flash drive or a memory card that has at least 500 MB free and a high data transfer rate.

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made.

You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again. If you've recently installed a Windows update, uninstall the update to try to resolve the issue.

To find downloads on your PC: Under Quick access, select Downloads. Note: If necessary, go to the View tab, select Navigation pane, and ensure that Navigation pane is checked. You can also find your Downloads folder under This PC. Learn how to find where your browser is saving downloads.