No legacy solution is perfect. By choosing Pro Tools HD 10.3.10 R3, you accept the following constraints:
: Version 10.3.10 is the last official update released for the Pro Tools 10 series. Compatibility & Installation Supported OS : It is officially qualified for Mac OS X 10.7.5 through 10.8.5 Higher OS Versions not supported Avid Pro Tools HD 10.3.10 R3 hotfix only For Mac
4GB minimum is required, but 8GB or more is highly recommended for stable HD performance. Installation Guide No legacy solution is perfect