Flashing MIUI via recovery

Step 1: Open the TWRP recovery menu and click on the Wipe button

Step 2: Choose factory reset and slide to the right

Step 3: Once the factory reset process is complete, go back to the main menu and click on the install button

Step 4: Navigate to the Recovery ROM zip file and select it

Step 5: Slide the slider to the right to complete the action

Step 6: Once the action is successful, your device will reboot automatically

• Steps token from https://www.getdroidtips.com/guide-flash-miui-rom-xiaomi-devices/