lower cab replcement help needed,please

[harleyrider]

getting ready to replace bottom of both sides of cab on my 65 stepside
replacement items are : lower door pillar post,footwells ,complete rocker and inner rocker,floorpan,cab coners,front rear cab supports
in search of info on how to go about doing this? steps on where to began and where to finish ? any info or pic's on this would be helpful,thanks
will keep doors on in order to line up rockers !
treid renting ebfabman's video but the rentals list is to long
so please try to help and thanks to those who can! with steps ,tips or tricks on completing this !