It depends of the goal. If you do it as a sport doping or as anti-aging therapy. Of course there are many schemes how to do it but most common are 3. Everyday, other one is 5 days and then 2 days off and EOD. If you really want to know about HGH I would advise you to read Ronald Klatz book...
Sust + Deca is definitely not the best option for the first cycle. I’m not an expert in the steroids field but I believe before you start playing with your health/body transformation it’s better to make proper research.
Now Deca offers a kind of a unique list of problems versus other steroids...