Pro Tools Version 5.1.1. Additions
Version 5.1.1 is essentially a maintenance release to version 5.1, with the addition of a few added features:
These Pro Tools 5.1.1 updater files require that Pro Tools version 5.1 is already installed on your computer. Your Pro Tools 5.1 serial number is required to download. This can be found in one of the following locations:
Mac downloads are MacBinary (.bin) encoded files that require Stuffit Expander version 5.1 or higher. Download Aladdin Stuffit Expander for Mac.
If you experience download or decoding problems, see the Download Help FAQ