ChessBase Big Database - Chess Forums

I have this coming in the mail. Am I going to be able to search different ECO openings? Now I need an engine and GUI board? Can I create my own databases also? Any info would be helpful for this chess computer software novice. Thanks.

ChessBase 12 - Chess Forums

How to get Mega for free

learning - Where can I find free training tools like detailed annotated chess openings, middle games and endgames in the PGN format? - Chess Stack Exchange

The 10 Best Chess Websites to Improve Your Game in 2023

chessblogger: Creating Opening Repertoire in ChessBase

Chess Openings Chess Opening Software

Best 5 free Chess Software - Chess Forums

Five Chess Tech Tips for the New Year: Part 1

Chessbase Error? - Chess Forums

Chessbase 17 problems (Tablebases) - Chess Forums