You should be able with some learning and hopefully no bad mistakes to be able to put the new chip on a breadboard with a few parts and load a bootloader using the UNO as an ISP.
Look in the Microcontrollers section of the forum.
You should be able with some learning and hopefully no bad mistakes to be able to put the new chip on a breadboard with a few parts and load a bootloader using the UNO as an ISP.
Look in the Microcontrollers section of the forum.