Of course, you can SEE the version and build number of Tableau Desktop from the Help menu, with Help > About.
But usually you want to give this information to someone else – for example, pasting it into an email or support case form.
You could use your eyeballs and fingers, and transcribe the sixteen digits the old-fashioned way.
But I just learned there’s an even easier way to do it.
When the “About” dialog is open, just Copy!
There’s no need to select anything. Just hit Ctrl-C, or right-click > Copy – and you’ll get the version and build right on your clipboard for easy pasting, like so:
9.0.0 (9000.15.0325.1651) 64-bit