I recently used the 7 day trials and started expermimenting with the program but now the trial is over i cant access it. It ask be to purchase it but when I goto there is no option to buy it or find it in a plan.
Download and install, Feature requests, How to, Product issue
You can't purchase Muse any more, because it is declared "end of life" by Adobe and isn't developed any further. The only way to install Muse is to have a complete CC subscription. In this case you can install Muse, from the "older applications" section.