I had to get a stupid round one because it was the only one with a 10" rough-in (distance from wall to toilet drain), standard is 12". House is from 1925.

Internet archive has some service manuals. You could also try https://charm.li/

Oh wow, mine presents differently:

It works on my Pixel 7 using Chrome!

I see you. You matter.

Can the updates just be pirated?

I used to own it on VHS, watched it a hundred times in the 90s. Watched it again Saturday (not on VHS)!

Is this you?

https://m.imdb.com/title/tt0097235/