Windows 11 Windows 10 In this article: Adjust display brightness Night light Color profile management Use HDR Adjust display brightness Managing your display brightness can significantly enhance your viewing experience and help conserve battery life. You can adjust the brightness manually or let your PC handle it automatically based on lighting conditions or content.

This security update includes fixes and quality improvements that are part of the following updates: August 11, 2026—KB5120249 (OS Builds 19045.7663 and 19044.7663) The following is a summary of the issues that this update addresses when you install this update. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are ...

Learn what to do if your Xbox 360 console stops responding or the screen freezes while playing.

Learn about XBOX consoles, system requirements, and networking, and get troubleshooting help.

Summary A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This is a 48‑digit number that lets you regain access to your drive.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

If you see a Let's get started screen with options to try, buy, or activate Microsoft 365, this means that Microsoft 365 is installed on your new PC as a 1-month trial of Microsoft 365 Family. You won't receive a product key from your PC manufacturer unless you paid for an Microsoft 365 product key card. Instead, you can start a trial of Microsoft 365 Family, or buy Microsoft 365. I thought ...

Summary Changing the color mode and accent colors on your device can significantly enhance your user experience by providing a more personalized and visually appealing interface. Whether you prefer a light or dark theme or want to add a splash of color to your user interface, adjusting these settings is straightforward and can be done in just a few steps. Color mode Windows supports two ...

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. On that website, you can select a version of Windows and create installation media on a USB flash. Alternatively, an ISO file ...