PS Program has suddenly got to big for my 27'' I Mac screen

[michael5C66]

Photoshop 2022 Program has suddenly got to big for my 27'' I Mac screen. I can move with the mouse the whole progran a good third of the way accross it's so big , and the same with the up and down whole . I have downloaded a new version but still have the same affect. 

[Jeff Arola]

Did you try clicking on the Green Maximize button in the upper left corner of the photoshop applcation?