If you run Setup.exe directly, it will likely fail or ask for a 16-bit subsystem. Here is the fix:
KKND: Krossfire is a real-time strategy (RTS) expansion/standalone follow-up to the original KKND (Krush, Kill 'n Destroy) series from the late 1990s. An ISO refers to a disc image file (CD-ROM image) containing the game data — commonly used to install or run older PC games on modern systems or in emulators/virtual machines. kknd krossfire iso