To send your screen, no extra software is needed. But to receive (use your Windows 11 laptop as a secondary display for another PC), you must install the “Wireless Display” optional feature . Go to Settings > Apps > Optional features > Add a feature. It’s a 3 MB download, and a restart is required. Why Microsoft doesn’t enable this by default is a mystery. Once installed, you’ll have a “Connect” app in your Start menu.
Miracast on Windows 11 is the best free, native wireless display protocol available for the platform. For office productivity, education, and casual media viewing, it’s a genuine quality-of-life feature. The extended desktop support alone puts it ahead of many proprietary dongles. miracast windows 11
However, it is not a replacement for HDMI in professional or high-performance scenarios. The variable performance based on Wi-Fi card quality means your experience will be wildly different from someone else’s. To send your screen, no extra software is needed