I read that MB-Lab 1.7.5 requires Blender 2.80.74 or later. I cannot find what my exact version is, it just says 2.80.
There are three locations that show the version in varying level of detail.
Splash screen with the name of the release
Status bar with the version number
Help > Save System Info detailed information including the commit hash
Excerpt from the system-info.txt
============================================ = Blender 2.80 (sub 75) System Information = ============================================ Blender: ============================================ version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: f6cb5f54494e, type: build date: 2019-07-29, 09:44 AM