Ok, i looked in the sticky post, i searched too. but i cannot figure out how to take all of my purchased apps from my old computer to my new one. i already set up itunes, and the store, already authorized the new computer. but now what?? thanks all
I'll post anyway in case someone searches and finds this thread.
Copy your entire iTunes folder (this should have a folder in it called Mobile Applications) to a flash drive or whatever.
Install iTunes on the new computer and say you want your music organized. Replace the new iTunes folder with your backup folder. Open iTunes and this should look exactly like it did on your old computer. It will probably ask for your apple email and password so enter that and you're good. Everything will work like it did on the old computer.
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2.5Ghz Custom PC (XP) + 2.0GHz Aluminum Macbook