INAV 7.0 Complete Walkthrough|| All tabs explained part 3

Connect the flight controller to the PC
Open the INAV Configurator
Click Disconnect if the configurator connects to the board automatically
Select the Firmware Flasher tab
Make sure you have internet connectivity and click Load Firmware [Online]
Select the firmware target for your FC
Enable Full chip erase and leave the other options unchecked
Choose a preset that matches your aircraft, such as a 3-inch, 5-inch, or 7-inch quad
Perform a sensor calibration
Select a preset from the iNav presets tab that fits your aircraft the best
Press Save & Reboot
Connect the Rx to the FC, and the FC to the PC
Go to the Configuration tab and select your aircraft configuration
Go through each option in the tab to check if relevant for you