all i mean is you just unzip your zip and it has  a folder with a runtime in side it, and you just put it with all your other bought things with folders with runtimes in them, just as it is. ie you don't unzip it anywhere at all. Love esther here's a screen cap of a small part of my poser all folder where I keep my runtimes (but don't do what I did and start the name with the word poser as poser 8 doesn't like that)

MY ONLINE COMIC IS NOW LIVE

I aim to update it about once a month.  Oh, and it's free!