Remove last vestiges of OEM regional language on your Win10 tablet.
Set Windows 10 display language and system language uniformly:
All settings
Time & language
Country or region = US or UK (your region)
Language – add English, make default
(This changes display language only)
Related settings
Additional date, time & regional settings
Region
Location tab
Change location = your region (UK, US etc)
Administrative tab
Change system locale: your region
OK
Copy settings
(Current user, Welcome screen, New user accounts should reflect your language and region of choice in display language, input language, format and location)
Copy your current settings to:
Tick both:
Welcome screen and system accounts, and
New user accounts
OK
Restart Windows
.
