New Home Studio

Hi there I'm absolutely novice in this (Building Studio) i moved to new house where i got 2 rooms. Can anyone help me how to set up walls? :roll: here i few pic from SKP. Windows i would like blinded and keep just opening part. Thanks for any responce ok here is how i would like to do it .Can anybody help me with it.I dont want spend money for material and build it wrong. Thanks for any opinion PLEASE. I've KRK Powered 8 i don't know if i can those build into wall or if keep on stands. But i would like to buy better monitors in less like 1 year. I need some point where to start. Here is one idea. Ceiling is 2580 cm high.I would like to try it do me self but need some help. I've read many discussion about it,got some ideas. But still don't know where to start. I've read about ratio 1:1,26:1,59 but when i try it I still can get any good result.Is here anyone who can Help.PLEASE Ok here is other idea.Can anyone help with BACK wall. Problem will be at 92Hz Really nobody can't help me. :roll: