If you are self-installing a Set-top Box or DVR, follow the Self-Install User Guide that came with your equipment. If you've misplaced your guide, download a pdf version below:
Self-Install User Guide (1 MB) 
Have you completed all the preliminary steps and just need to activate your equipment?
Go to www.verizon.com/fiostv/selfinstall and follow the onscreen instructions. Activation takes approximately 30 minutes.