A step by step guide on installing the Google Mobile Services on Huawei phones running Android 10.
This method doesn't work anymore!

This method should work on the Huawei P40 Pro, Mate 30 Pro, P40 Pro Plus and more.
You don't need a USB stick or computer for this installation. Please try following every step.
If the blue G app doesn't work on your phone you may try downgrading the operating system on your phone to get it going, but that gets complicated.

Let me know if you have any questions.