i want to go from a Amd fx 4300 amd3+ to a Amd fx 8370 Amd3+
Check your motherboard manufacturer's web site to find out what processors are compatible with your motherboard.
Also check to see if a BIOS update is necessary.
Who manufactured your Mainboard that the cpu is socketed in ?
Any info about your complete system will get you better response. Forum Policy listed at top of page titled Read First explains the info needed welcome to forum I see you joined June 7th