Open the extracted folder and run flash_tool.exe as an Administrator.
To begin, you will need to acquire three core files. Always use reputable Android development forums, hosting platforms, or specialized firmware mirrors to source these links: 1. Nokia 2.3 MediaTek USB Drivers nokia 23 flash tool link
Nokia 2.3 / 3.2 (Android 8-11) Version: 6.0.4 File size: ~120 MB Open the extracted folder and run flash_tool