Avid Pro Tools Upgrade and Support plan for Pro Tools HD allows existing users of Pro Tools HD9, HD10 or HD11 as well as users with Pro Tools 9 or 10 with the Complete Production Toolkit to upgrade to the latest version of Pro Tools HD. Avid now makes the latest revisions of the latest version of Pro Tools HD available to users with the Annual Upgrade and Support Plan as they become available, with this plan you no longer have to wait for a big release to improve the way you work. As well as gaining access to the latest versions of Pro Tools, users are able to take advantage of Avids Annual Support plan which gives you access to the very best support directly from Avid should you encounter any problems. The Pro Tools HD Upgrade and Support plans also offers users bonus plug-ins when they sign up for this yearly subscription. Avid Pro Tools HD Upgrade and Support Plan is valid for 12 months and renewable once it expires.