Software is only half the battle. You’ll need a physical bridge to your PC: XTL1500 Programming - RadioReference.com Forums
Motorola is strict about their software licensing. You generally won't find a direct "free download" link on their public homepage. motorola xtl 1500 programming software download
For the XTL 1500, you cannot use generic "Motorola CPS." You specifically need the . Software is only half the battle