I don't know why but I don't have any of the above options in the Control panel.
I have Clock and Region (no Language mentioned) and inside cannot set the language.
If I click the ENG on the language bar in the tray I finally get: Language Preferences. Choosing that, takes me to the Languages control panel.
I cannot delete the UK keyboard (I have Israel and the US keyboard set, and Hebrew as a second language). Standing on the UK keyboard the Remove button is disabled.
Deleting the UK key (809) from the registry
Computer\HKEY_CURRENT_USER\Control Panel\International\User Profile\Languages should do the trick (in older versions it was a different key with a dword for each language: 409 was English US, 40d is Hebrew, 809 is UK) Thanks Ohad!!!!
I had to go under the Region and Languages Settings panel, Advanced Keyboard Settings, and Override for default input method.
Use Language List (recommended) to
Rebooted and all's ok now.