the .asm file, change it to PWM or non-PWM
MPASMWIN software to create a .HEX file <------- Simplest method (great for beginners! )
MPLAB v8.10 and build the .asm file to create a .HEX
the PIC using MPLAB v8.10
the PIC using PicKit1 flash software and generated .HEX file.