some kind of free software to manage tbs of photos?

[12345678]

Like there are many duplicates, similar looking photos, and so on I want something that automatically deletes such photos, from the oldest (like it does not touch stuff from 3 months and owards, but it touches the older stuff)

[Electronics Wizardy]

are there bit for bit duplicates or simmilar files? 

 

check out czkawka, pretty good duplicate removal program.