There is a trial version (30 days) so you can try and see if the program is good for you. Also, there are many video tutorials on YouTube (just search for BabaCAD tutorial) so you will find that you can do everything with BabaCAD just like you can do with AutoCAD LT, even faster. Registered users can download patches/updates (mostly bug fixes) of the latest version when they are available (updates are not often if the latest release is stable). When the right moment comes, a new version (BabaCAD 2024 or 2025) will be released, with some new features and enhancements.
One more thing, maybe the crucial, for those who buy CAD software for the first time in their life: please search for the price of popular CAD software on the market, and you will find there is 3-year subscription of LT (light version of that popular CAD, which doesn't even include LISP scripting) that costs US$ 1,470 compared to BabaCAD Home life-time license which costs US$ 99. That's almost 15 times lower price for an almost identical product.