– Pro Tools 11.1 is available as a free update for all Pro Tools 11.x owners, including support for the new Avid S6 control surface, support for Windows 8.1, 8, and 7 on Pro Tools|HDX and HD Native systems, new AAX 64-bit-compatible Pitch II plug-in, performance enhancements with Pro Tools|HDX, fixes for both Pro Tools and Pro Tools HD software and the Avid Video Engine, plus much more like a new Clip Rename window.