Gambit Opening Repertoire - Valeri Lilov Chess Software Manufacturer: ChessBase Hardware Requirements: Windows System Requirements: Pentium III 1 GHz, 2 GB RAM, Windows (Supports XP (Service pack 3), Windows 7, Windows 8, Windows 10), DirectX9, 256 MB graphics card, DVD-ROM drive, Windows Media Player 9 and Internet access for program activation. Number of Installs: Up to 3 Computers Windows 10 Compatible: Yes