Rear Quater glass help

So after buying my wagon f**king thieves smashed 3 of my windows and I'm in need to find two passenger back doors and when I was looking at the quarter glass im curious how to cut it out? And do I need it professinally installed? Trying to find this glass is not easy either lol
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There's a bunch of Wgn in the S.F.(calif) pick N pull yards.