1. Download the NekoPara Patch to a folder, and make sure you've installed the game on Steam.
2. Then run Steam in Admin mode, using either of these methods:
3. After Steam is running, launch the patch as an administrator, after making sure the game is not running - the patch will not work if the game is running.
4. After you finish installing, you should be able to check by going to Options in NekoPara Vol 1 and then going to Effect and Sound. You should see Turn H-Animation On.