Is this for the main menu scene only or an you edit the save and item scene and move/rearrange the windows? (tysm)
Viewing post in RPG Maker MV/MZ: Menu Builder comments
The linked plugin is used for main menu modification: RPG Maker MV/MZ: Main Menu Builder by Synrec (itch.io)
This plugin is really just a menu builder to connect other scenes (or other custom menus) or do something with code on the scene itself.