Prerequisites

Most PC right nowadays should be good enough to host a Dayz server, just in case you use a pc that found in the landfill, below is the minimal setup you should have:

Hardware	Minimal	Recommended
CPU	2-core@ 3GHz	> 4-core@ 3.6 GHz
RAM	150MB/Player	> 300MB/Player
Storage	20GB SSD	> 50GB SSD
Network	10 Mbps up/down	> 20 Mbps up/down