Several reliable editions of the are available for digital reading or PDF download: Official and Scholarly Editions Tirumala Tirupati Devasthanams (TTD) : An authoritative version titled Vishnu Mahapuranam
Contemporary versions by authors like B. K. Chaturvedi or Tadanki Venkata Lakshmi Narasimha Rao provide simplified Telugu commentary. Benefits of Reading the Vishnu Purana Vishnu Puranam Telugu Pdf