what do you call this kind of windows?
where can I buy it?
Jalousie, not readily available today.
You'll need a time machine to make it easier. Set it on about 1955.
Try some of the aluminum window companies. Better-Bilt is the only one I can think of right now.
Jump, you really need to stop. Better Built is owned by Metal Industries, who also own Crapitol. They are made exclusively for Lowes these days and in VINYL no longer aluminum. Also Better Built was a piece of crap when they were independently owned and I am certain they are no better today owned by MI.
Here is a link that might be useful: http://www.tafcocorp.com/jalousie.html
Look at that, thanks tube I was not even aware anyone made jalousies any longer.