question about placing windows in the foundation

What kind of foundation? Is it a load bearing wall? What is above it? Wooden frame and siding, brick veneer, log cabin, modular?
it is a poured concrete foundation, 8 inches wide and reinforced with rebarb

semi load bearing, the floor joists run paralel to it
one room above it, then the roof slope

not sure on the frame, but wood siding, under vinyl siding