Your Live license may be used on either a Mac or a PC. To get the appropriate installer for your computer, just visit your downloads page.
You can install Live on two of your own computers (Mac, PC or both) if you have registered your product and you will not be using both computers at the same time.
I've purchased the Arturia HipHop Producer pack which includes Ableton Live Lite Arturia Edition. How can I obtain my Live Lite serial number?
How to obtain your Live Lite Arturia Edition serial number
This is why you may not see the option to "Show all products at startup" in Live's Preferences anymore.
Depending on the settings some browsers (e.g. Firefox, Safari) restore tabs/windows of the last session. This action might retrigger Live's authorization.
After upgrading, Live still starts as Lite or Intro version, although I downloaded and installed the appropriate Live or Suite version.
After upgrading to Live/Suite and starting the appropriate version I downloaded and installed, Live still always comes up as Lite or Intro version.
I am trying to unlock Live 7 or earlier on the website, and it asks for a Challenge Code. What is a Challenge Code?
The Challenge Code is the code that identifies your specific computer with your copy of Live. The Challenge Code for your computer is in the Unlock Offline dialog window.
When I click the "Unlock Online" button, I get a message that says "failed to connect to Ableton server." Why doesn't it work?
Please be sure that you have all necessary software components and hardware connections to properly connect your computer to the Internet.
If you bought the boxed version, the serial number will be on a sticker affixed to the CD or DVD case.
Live (or your other ReWire software) may not be properly authorized. Please make sure that Live is not running as Demo or Trial.