Photo Size to small

What are the image sizes in Settings → Media ?

Thanks for responding
For the medium size its 300 x 300, large size it says 1024 x 1024 is that a normal size? Can I easily change these without the whole thing exploding?

Did you select the size when inserting in post?
Check https://codex.www.ads-software.com/Inserting_Images_into_Posts_and_Pages#Image_Size

SIGH – thank you ??

My pleasure ?? Please, mark the topic as resolved.

thank you