Goodbye Stock Rom. Dear Asus keep your Android 10 betas, I don't need it now.

[zaidnabi123]

Please tell us some basic information before asking for help:
Model Name:
Firmware Version:
Rooted or not:
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app):

[Robert282]

You hve to unlock botloader first then install TWRP recovery then you have to flash the ROM