Do you really want to get fit?  Are you willing to put in the work to do that then?  Because if you check out the Warp Speed Fat Loss system then you’ll find a 28 day programme which is designed both to help you lose a lot of weight and also to get you as fit as possible.  You need to be reasonably fit before you start it of course, or you need to warm up to it gradually over a month, then you can get into the main programme.  If you do not build up gradually and then you may find you have to stop the programme prematurely because you have an injury, so if you’re really serious about sticking to it then make sure you are fit enough before you begin.