Native Instruments provides Legacy Installers for older operating systems. If you are interested, I can also:
Navigating Native Instruments Traktor Pro 2: History and Compatibility
The shift toward 64-bit processing (Win64) allowed Traktor to access more than 4GB of RAM. This was a game-changer for DJs using high-quality lossless files and extensive Remix Deck sets, as it virtually eliminated the "out of memory" crashes that plagued earlier 32-bit versions. 2. Integration with the Traktor Kontrol S8