I dont know how can i open the game without opening it first from the program scratch or from my page in the web. so the question is How can i open the game autorun and download it in any computer.

Do play on a computer that doesn't have Scratch or access to Scratch you can use this website. It has an auto run feature. You just put the shared project number on the end of the url.

https://phosphorus.github.io/#

put the project number after the #

You can also search convert sb2 to swf and research JuneBeetle. I have never used it but I have read a little bit about it