There are few ways to do it.
1. Run the flash player, then open the flash on it from the drop down menu
2. Right click on flash file, set it open with the flash player, then you can just click the game sfw to play.*
3. Run flash player and drag and drop the flash swf on it to run it.
4. Use the AIR version of the game to play it.**
*If you change the location of the flashplayer exe, you need to do this part again.
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**AIR version is the same game, but doesn't require the flash player to run, just installation of Adobe AIR.
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