Final answer:
The KIT (Klean Install Tool) mainly serves the purpose of ensuring the quality and cleanliness of software installations, by verifying that an installation is done correctly and without remnants from previous installations that might cause conflicts.
Step-by-step explanation:
The primary function of KIT, which stands for Klean Install Tool, is b) Installation quality verification. This tool is typically used in the context of software installations, where it ensures that installations are performed correctly, without errors, and often with a focus on removing remnants of older installations that could potentially cause conflicts. Essentially, KIT checks that the new installation is clean and will operate as intended, without issues derived from improper installation practices.