In the box you should've received

Fysetc Spider v2.2

USB-C cable

USART cables

Ziploc of jumpers and connector for 24/48v stepper socket.

There's 2 options to upload the bootloader. The preferred method is to upload by micro SD. However first we need to upload the bootloader with the stm32cubeprogrammer found on FYSETC Github.

Download and run the program.