How to Root Huawei P10 and Huawei P10 Plus Success by TWRP Recovery

This is method Root for phone Huawei P10 and Huawei P10 Plus via TWRP Recovery.

Everything you do with the device, you do at your own peril and risk.

An unlocked bootloader is required, and the factory unlock is enabled.

1. Install TWRP

2. Install SuperRoot_noverity_nocrypt.zip through TWRP

3. Boot the system. 

4. You need to install the APK from PlayStore afterwards: https://play.google.com/store/apps/details?id=eu.chainfire.supersu

Now you have root access and full access to the system partitions.

Enjoy Root.

If an error "Error 1" is output with the firmware in TWRP. It is necessary to replace BOOT.img, on BOOT.img, from the firmware that you installed before obtaining root access.

Code:

fastboot flash boot boot.img

Additional materials that can help with troubleshooting. (Here you will find firmware from Huawei.)
The firmware for VTR
The firmware for VKY

Source: xda-developers.com