Release 2009b Professional Version -windows- 2009 Pc Iso [extra Quality] - Matlab

Only if you have a license file from back then. Otherwise, stick to the modern version.

The Editor introduced Extended M-Lint tips, providing on-demand detailed help for coding errors and warnings. System Requirements for Windows (2009)

R2009b introduced Model Reference Variants to control multiple implementations of a model and Protected Models for sharing functionality while hiding intellectual property.