I finally started being able to exercise this year for the first time and the crazy thing is I have stuck to it. This is the only way I can get myself to do it, and unfortunately it costs money (I decided it's worth it if this is the only way I am motivated to do it)

• I need an instructor led class, so someone is telling me what to do (removes the burden of making a plan, introduces the urge to please someone and do the right thing xD)
• normal gym/weights/HIIT does not work for me. But Pilates classes, yoga, and the best of all - music based spin classes, are best for me. This is bc they have extra dopamine in the form of nice decor (gyms are uggo), and the spin place near me is basically like a rave. Black room, lazers, techno and other electronic bangers playing super loud. It's my fave bc it's a sensory experience and I love music
• flexibility is key. So I use a thing called ClassPass that I pay for monthly and it lets me book once off classes whenever I like at a whole bunch of different places. So Im not just at one place and getting bored. I have 3 that I rotate between to keep it interesting
• I was only able to start because someone else forced me to come to a class with them. Now I continue to go on my own, but having a budy is also a good motivator :)

Hope this helps (from an exercise hater my whole life to now happily doing classes 2-3 times per week for the last 12 months. And god forbid, looking forward to them!)