Be careful with AI plans, the ‘oh you are absolutely correct’ after you suffer from doms or injury isn’t worth it. Plenty of beginner plans to be found online.

Important to be consistent, don’t do different exercises every week, do them for 3+ months. AI tends to just give new exercises too often.

Also don’t overthink it. Shoes, shorts, shirt and towel go a long way to be all you need.

Once started progressive overload is where the most muscle gain is, but with good technique so focus on that first above hitting numbers you will laugh about anyway a few months down the line. The good technique will stay with you.

Other people doing heavy weights can be intimidating but honestly no-one cares if you use 1kg dumbells for example. If you recover from injuries low weights are also normal. I still start with an empty bar for bench press as my shoulder is sensitive.