Change screen format

[mahesh]

He there,
I am using Kubuntu 21.04 with KDE Plasma Version: 5.21.4, is there a way to change your desktop format? I play old games that require a 4/3 format, right now I am using my monitor settings, I was wondering if there is an app that can change my format form 16/9 to 4/3.
My GPU is "Mesa Intel® HD Graphics 630" and it does not have any options to change format, by the way I am using wine to run those old games
Thanks in advance