(Grumpy parental tone)
Ya did a bad thing there hoss....
OK, that outta the way.
How bad is it hung up? Just the tippity top in a crotch, or fully locked in and supported enough to use for a tent frame during deer season?
If there is no foot traffic in that area, it might be a good idea to just leave it for a couple days and let Mr. Gravity chew on it a bit with the help of the wind.
Then come back with the Come along, and at least 50' of chain or straps.
Whatever ya do, don't figure on putting a saw on the thing, or the tree that it's hung on, untill it's down.
Ya don't know what the hell you're doing, and stand a good chance of getting squished like a bug..or just getting stuck in bed untill someone pulls the plug on ya. Don't do it.
Sooner or later everyone gets one hung up, and some days, they all seem to roll a bit more or less than expected and insist on getting hung up.
At least you're getting the hard stuff outta the way to start with! LOL!!
When it starts coming down, get the hell back and away from the come-along. Every once in a while the Tree tries to get even.
Stay safe!
Dingeryote