Windows 8.1 is one of the last few operating systems that treats Miracast as a feature you "discover" rather than one that just works. If you are searching for a "Miracast download," you aren't actually looking for a single file—you are looking to unlock a capability already hidden in your hardware.
Miracast is natively built into Windows 8.1 , so you do not need to download a separate standalone application to use it
Miracast is actually a built-in feature of Windows 8.1, so there is no separate official software to "download." Think of it like a hidden bridge already built into your laptop, waiting for you to walk across it. Here is the story of how to find that bridge: The Tale of the Wireless Bridge miracast download for windows 8.1 free
: If the option is missing, use Windows Update to ensure your graphics and Wi-Fi drivers are current.
: Swipe in from the right edge of the screen (or move your mouse to the lower-right corner) and click Select Project from the list of options. Add a Wireless Display Windows 8
Since the feature is built-in, you access it through the Charms bar. Here is how to set it up:
A: Yes. There are no hidden fees, subscriptions, or one-time payments. The feature is built into the OS. Here is the story of how to find
If you own a Google Chromecast (which costs money, but the software is free), you can mirror your Windows 8.1 screen for free: