fastboot flash recovery twrp.img
Verify it works:
adb version
You don't need to be a command-line wizard, but ignoring Platform-Tools is like being a chef who refuses to use a knife because the food processor exists. The food processor (Android Studio) is great for bulk work. But when you need precision, speed, or recovery—you reach for the knife. android_sdk platform tools
adb reboot bootloader adb reboot recovery fastboot flash recovery twrp
If you see "Android Debug Bridge version 1.0.41", you are ready. you are ready.