It worked!people use Winzip / Winrar or 7-zip to unpack a .rar file. if you have one of them installed
normaly rightmouse click will open a panel to unzip it as folder.
if you got that folder, you drag it in the PQ download that has the same name as the folder to overwrite older data
You must be registered to see the linksi use WinRar. so here is nice video about it and has nice timestamp for you, how to unzip it