I would store it on axle stands and put cover over it.Starting it now and again would help.
I disagree. Change the oil and filter before laying it up, as said, give it a short run afterwards but don't be tempted to run it at all until it's ready to go back on the road. Running an engine without driving it will just rot the exhaust and build up corrosive acids in the engine.
Remove the battery while it's laid up and give it a charge every 2 months or so.
I would leave the petrol tank as close to empty as possible and when putting it back on the road fill it with a couple of jerry cans of super unleaded as any fuel that was left in it will need diluting with the good stuff.
Not leaving the handbrake applied is sound advice.
Make sure the coolant is in top condition (I'd flush it and refill) because it will get colder than a car that's driven regularly, and corrosion will still take place if the coolant isn't inhibiting it.
Might be worth getting a tub of desiccant granules and leaving it in the interior to prevent it getting damp.
EDIT: Oh, and give it a thorough clean, wax polish the bodywork and perhaps give the underside a coat of waxoyl to protect it.
Kevin