Currently Being ModeratedDec 18, 2013 4:27 AM (in response to Brunettin)
It installs in the Utilities folder. Copy your registration info from the older machine and apply it to this version.
Currently Being ModeratedDec 18, 2013 7:40 AM (in response to Brunettin)
Can be found in Library/Preferences/com.apple.QuickTime.plist file.
As I often say, there are far more expensive things to buy than a 59 cent spiral bound notepad to keep all your serials in..