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.

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.) Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions.

Select the Dial icon to start your call. If you don't have Bluetooth available on your device (or if it's been turned off), you won't be able to make or receive calls on your PC. If you encounter issues while using the calling feature, these troubleshooting tips may help.

How to start a scan for viruses or malware in Microsoft Defender. Applies To. Important: The National Public Data breach exposed personal information, including names, addresses, and social security numbers. Learn how to protect yourself and how Microsoft Defender is helping to prevent fraud.

Create Windows 11 installation media. On the Windows 11 software download page, select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.

Help for admins of small businesses. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password. Microsoft Authenticator is not available for PC or Mac as authenticator apps are typically designed for smartphones for security reasons. Learn more.

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

Enable a camera. You can see the cameras that are connected to your device and change the default settings for those cameras (such as brightness, contrast, and more). With administrator access, you can also disable and enable cameras for the device.

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found.