WayneJ's video series on PIC programming
Video 1. the .asm file, change it to PWM or non-PWM
Video 2. MPASMWIN software to create a .HEX file <------- Simplest method (great for beginners! )
Video 3. MPLAB v8.10 and build the .asm file to create a .HEX
Video 4. the PIC using MPLAB v8.10
Video 5. the PIC using PicKit1 flash software and generated .HEX file.