Can I get some likes to unlock level 2. I am new

How many months will it take to bulk up and have a decent body what do you guys think ?

I have been eating alot of high calories and protein meals for 3 months, trained my muscles, but still no weight gain instead I an losing a bit then raising a bit can someone explain why?

Hello everyone I have a very big problem I have been training handstand for 3 months now and I haven’t even got close to a handstand why do I not improve and what should I do to achieve a handstand???

What #1 supplement would you recommend for muscle growth?