Compose, record, edit, and mix music and audio with the industry standard. Pro tools perpetual licenses are now available for the new low price of 599 Dollar-that's 300 Dollar less than the previous price. Plus, you get a 1-year 99 Dollar annual upgrade plan and one-year access to a new plug-in bundle included. And you can add an Avid support plan for only 99 Dollar. All upgrades that happen in the 12 months after registration come at no additional charge. Here are the upgrades from the first 6 months - with more to come. 12.0: improved I/O setup and monitoring/auto down-mixing, unlimited busses, in-app plug-in purchases and rentals, stability improvements.