Just some sample code (and screenshot further below) and one approach for “about” window (if viewing this in Google Groups, ignore the leading and trailing triple-backticks):
\define archiveLink(ver folder:v5.2.3)
<a href="https://basicanywheremachine.neocities.org/Archive/BAM_Versions/$folder$/BAM_IDE_$ver$.html" target="_blank">$ver$</a>
\end
! BASIC Anywhere Machine, by [[Charlie Veniot|https://cjveniot.neocities.org/]]
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![Screenshot 2023-05-27 2.45.03 PM.png|820x642](upload://hZ3cncrFpGeeYVhAOfsEhaQLMvO.png)