Typing portuguse accents with razer blade?

Hello, i'm trying to figure out a way of typing portuguese with my razer blade 15, but i can't figure out the right language + keyboard configuration on windows 10.

If i change my keyboard to "portuguese" pressing ' will actually print a ~ and so on..

I would like to keep the keys the same ( united kingdom ) but input portuguese, so for instance when i type ~ instead of instantly printing the ~ it would wait for the next letter, so if it's a vowel then it would show the vowel with the accent, for instance

~ + a = ã
' + e = é

Any ideas of what configuration needs to be done?

Thank you!