There is literally so many different ways. All hash is, is the accumulation n compacting of trichomes.
that depends on the type of hash you want to make... you could start here>>> Harvesting and Processing Marijuana - Grasscity.com Forums
There is a good method on here in that section using isepropane or some shit. Looks piss easy and the hash looks good,
and then OP sends me this PM: "Excuse me Sir\Mamm, are you a member of lawinforcement Or are you in anyway affiliated with any police?" LOL. oh please.