Windows 7 32-bit (Professional or Ultimate) is the gold standard. DiagBox components (like Lexia and PP2000) rely on 16-bit and 32-bit architecture subsystems that will not run natively on 64-bit operating systems .
What specific are you trying to diagnose? Are you using a physical laptop or a Virtual Machine ? diagbox 7.02 to 7.57 download
I understand you're looking for the behind DiagBox versions 7.02 to 7.57 — a popular diagnostic software for PSA vehicles (Peugeot, Citroën, DS, and later some Opel models). Windows 7 32-bit (Professional or Ultimate) is the
DiagBox is the official dealer-level diagnostic software for PSA group cars. Versions were released around 2013–2015 . They represent a transitional period: diagbox 7.02 to 7.57 download
