How to Install TWRP for redmi 4a(Rolex)

To the point, I want give you know how to install TWRP for your redmi 4a
on your PC ,install mnimal adb fastboot
TWRP-v3 and put recovery.img to same folder in C:\adb

ok. switch activate your option developer & USB DEBUGING and then allow oem to unlock
# go to windows menu and typing CMD(run as administrator) type
cd C:\adb
adb start-server
adb devices

if devices unauthorized
check in your devices will be pop-up signature allow from adb
then
adb reboot bootloader

now into fastboot mode

type fastboot devices
fastboot flash recovery recovery.img
fastboot boot recovery.img

ok. your devices is being installed TWRP