i will go back on it, and write down step by step and post back to you, believe me, i am a mega numpty at this, meaning you can do it with your eyes closed, will get back soon.
O.K.,, Here we go,,,
1)28907 in downloader.
2)click "accept and "consent "
3)You should then see "STREAM ON DEMAND ANYWHERE "
4)Scroll down to "Choose a catergory ".
5)click on "App Stores."
5)Scroll well down the page untill you see in Blue "Subscription services "
6) Scroll down and 3rd from bottom of list is PEACOCK (situated just above "Tools ")
7) click on P eacock, and jobs an absolute belter, you will see 5 olympic rings to the right of PEACOCK, then give it time to move on to "sign in " or "create new account ", remember it takes time for app to move on just be patirnt, VPN set to USA or definitely will not work.
Please let me know if successful or not, good luck, you will walk this and Peacock is brilliant.