I am downloading the official version and appears to download/open OK but then hangs almost as soon as I start doing anything within Audacity. My windows version is Windows Home 10 1903 on a 64-operating system and 64-bit processor.
Any suggestions welcome - should I try an earlier version than 2.3.3 or is a subsequent version available as an alpha?
Audacity 2.4.0 is due to be released very soon.
I think the problem is likely to be caused by some existing problem on your computer (millions of people successfully use Audacity 2.3.3 on Windows 10).
A couple of things I would suggest:
Check that your computer’s “drivers” are up to date. If you have a branded computer, check on the manufacturers website to see if updated drivers are available.
Try to identify what triggers the freeze. For example, is it when you start / stop playback? Is it when you open a file browser? Is it when you apply an effect? …