How to delete ALL the duplicate images?

[ReignerDeustcher]

I have a lot of duplicates and some times 3 same images in a lot of games how can i delete this at once? (keeping the image with the best quality and bigger size)

[neil9000]

3 minutes ago, ReignerDeustcher said:

I have a lot of duplicates and some times 3 same images in a lot of games how can i delete this at once? (keeping the image with the best quality and bigger size)

Tools/Clean Up Media.

[ReignerDeustcher]

25 minutes ago, neil9000 said:

Tools/Clean Up Media.

found more than 10000 images ?

but i can't preview them, how can i know that those are the less quality ones?