Bentley Hevacomp V8i (V25) versioning can appear to be a little confusing on the face of it - the following information should help with this.

The initial installation – or point release – is the original basic build. The installer carries a version number of 25.00.00.20 – this is the number of the installer build – and will install, for example – 25.00.40 opening menu and a 25.00.51 Design…

Just  a quick update - the online WIKI has been tidied up and is far far easier to navigate now.

If you have difficulty accessing the WIKI through the Bentley Hevacomp opening menu, then you can access it from the menu above.