Will Tally 9 Supports On Mac OS X ?

NO! Not only Tally 9 version, all other versions (include ERP Version) of Tally will not run on Mac OS operating systems.

Minimum Hardware Requirement:

Processor	Intel Pentium IV or above and Equivalents
Memory	256 MBRAM (Recommended 512 MB or more)
Free Hard Disk Space	40 MB Minimum
Monitor Resolution	800 x 600 (Recommended 1024 x 768 or Higher)

Operating Systems Supported:

Single User	Microsoft Windows 98/NT/2000/2003/2008/XP/Vista
Multi User	License Server can be installed only on Windows NT/2000/2003/XP/Vista

Source: www.tallysolutions.com