How do I set up my keyboard input?

General Help
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1

Hello. How how can I assign keys to switch my input layouts in Zorin OS 15.3 Ultimate Edition ?

2

If you are looking to switch Keyboard Layouts, you can read a guide here:
https://linuxconfig.org/how-to-add-and-switch-keyboard-layout-on-ubuntu-18-04-bionic-beaver-linux

If you are looking to reassign keys in an existing layout, you can use xmodmap: