|Jar files are Java runtime files - kinda like .exe's. How you use them depends on what they are. Some you can run just by double clicking on them.|
Why don't you tell us what .jar files you have, and what you expect them to do? Are these for a game?
>>even with the programs you suggested
This is a new thread, so there's no link to whatever earlier thread you're referring to. Can you please provide a link to that thread, or list the programs you've already tried?
How to ask a question.