How to auto number filenames

Hi, I can't seem to find anyway to auto number filenames, can someone help?

As Mp3tag is a tagging program, there is a function to get numbers into the tag field TRACK, see the tracknumbering wizard Ctrl-K.
You could then generate new filenames from tag data.

You can also use Convert → Tag - Filename with

$num(%_counter%,2) %_filename%

if you just want to prepend a number to the existing filename, but leave the metadata untouched. %_counter% in this context represents the current selection index of the file.

Ah, yes I saw the auto number feature for tags. But, would you know how to generate new filenames from the tag data?

Maybe this part of the documentation can help you:

and from the "First steps" Renaming Files based on Tags

This is way too complicated for me. Not really sure why this is so complicated. But thanks.

Which part is too complicated? @Florian provided the most simple process using your existing filenames and adding a preceding number. @ohrenkino provided the full documentation for you after you requested more info on how to do this from the existing tags.

Perhaps what is missing from here is where you want these preceding numbers to come from. Is there a specific number you wish to include, like disc and track numbers? Or is there some other method you are looking to add?

Once you can answer this a more specific solution can be posted.