As you write in the "General Discussion" part of the forum, I tell you how the filenames looks in my collection:
A\ABBA\Waterloo\1973\08 - Watch out.mp3
To "Batch do this operation" please have a look at the Actions
If you want to mass change a year from 1992 to 1993, filter and then select the ones with 1992 and change the year in the Tag panel to 1993.
Please ask specific questions in the Support part of the forum.
1 thread/question per topic, please.
And you should familiarize yourself with the search function in the upper right corner.