Close up a window

[_kiM__]

Hello

I am looking to seal a 15x10 window in one of the rooms that will become a home theater.

How should I do this in the best way considering potential condensation, etc.?

Plastic, insulation, drywall?

Insulation, plastic, drywall?

Just drywall?

I want to be able to restore the room to "original" someday and want the window (wooden frame) not to be damaged by any potential moisture that may arise.

Best regards, Kim

 

[larsbj]

Assuming the window is to remain and be visible from the outside?

In that case, insulation plastic gypsum on the inside