Just download this release, install as any other PC game and run it from desktop icon, created by the installer. 4-cores CPU + good GPU are highly recommended. Cemu is constantly improving, cause it’s supported by backers on Patreon platform, so anyone can expect a more powerful, more compatible and much faster WiiU emulation in the near future.But even now, with Cemu v1.7.5d you can play Xenoblade Chronicles X game on your PC, if it’s not an abacus.
There is a WiiU emulator, called Cemu, which makes games designed for WiiU to be playable on Windows platform.