You can install Live on two of your own computers (Mac, PC or both) if you have registered your serial number on our registration page and you will not be using both computers at the same time.
In order to help you retrieve your serial number of your product you would need to contact us with the following information
You have already used all of your authorizations/unlocks.
You can authorize/unlock Live two times after you have registered.
Please see our authorization/unlocking instructions
You must first register your serial number properly on our registration page.
Live shows presets in the Library that belong to instruments that aren't purchased/unlocked.
Your Live license allows you to install and authorize/unlock Live on two computers, with the understanding that you will only use it on one at a time.
After an OSX software update, Live doesn't start correctly anymore.
If you do not change your computer's components or reformat your hard drive, you should not need to authorize/unlock Live again.