If you have a previous version of Blender you can just copy the preset files and paste them into the 4.2 version presets. Example: take the folder [ C:\Program Files\Blender Foundation\Blender 4.1\4.1\scripts\addons\presets\operator\mesh.landscape_add ] and copy paste it into the folder [ C:\Program Files\Blender Foundation\Blender 4.2\4.2\scripts\presets\operator ]
If you have a previous version of Blender you can just copy the preset files and paste them into the 4.2 version presets. Example: take the folder [ C:\Program Files\Blender Foundation\Blender 4.1\4.1\scripts\addons\presets\operator\mesh.landscape_add ] and copy paste it into the folder [ C:\Program Files\Blender Foundation\Blender 4.2\4.2\scripts\presets\operator ]