hello friends in this video I will show you how to set f3 paper size in photoshop so for cursor to file click on it then click on page setup and also guys you can use this shortcut shift plus control plus p to open page setup
now here you can select a3 or f5 as you need like a3 select it select here orientation landscape for tracked change margin
this is the margin of 4 inches then click on ok
so this way you can set a three-paper size in photoshop thanks for watching.