Chessbase by itself however is pretty useless. You need a decent reference database behind it eg; Mega Database 2020x. My Chessbase setup is the Mega Database 2021, Opening Reference Database 2021 and the Correspondance Database 2020 (which I reference the most). I addition to this I have a script to collect games of all titled players on Lichess and Chess....
I have ChessBase 16. It has very helpful features but it is costly. If you like the GUI (Graphical User Interface) do not go for it. It is good if you are of the following levels;-
ChessBase is for serious players who want to improve