I wish to generate a Warforged PC, why won't the "Create Character" allow it?

go to your charachter -> home -> activate playtest content refresh and the warforgef should show up in races.

Although it official content it still in playtest fase

You need to select 'Eberron content', not 'playtest content' (or possibly/probably both).

I went to "My Character" and the path you stated is not there.

srr i dint meant the web page "My Character" but editing your player sheet

Thanks I found it.