the game is i am technician it is a unity web player game i use firefox 52 for unity web player games unity web player game work on different websites i use windows 7 and the creator did not reply on twitter yet here is the link https://murchurl.itch.io/i-am-technician
The Unity webplayer plugin has been deprecated by Unity, which makes it difficult to run some of the older games on our site. Are you sure you have the webplayer plugin installed?
yes it is installed
and when i try to download it by using inspect element and searching .unity3d when i try to download the .unity3d file it allways fails to download