first you must the bootloader .HEX files into your PIC and then...

Code:
DEFINE LOADER_USED 1

' do your code here
within MicroCode Studio use F10 to compile and program. Not much. The bootloader circuit is provide in the MCS help file under ICD section

P.S. : be sure your crystal speed match to the loader file. Also don't forget to set the configuration fuse when loading the bootloader firmware into your PIC.