To avoid driver conflicts, it is usually best to uninstall the older version of the software first.

Understanding the Quantum Resonance Magnetic Analyzer (QRMA) Software Update 4.3.0

The 4.3.0 version refined the algorithms for several key reports, particularly the "Comprehensive Report Card," reducing the number of "outlier" readings found in earlier iterations. Key Features of the 4.3.0 Update