hi i have a dell dimension e520

[TMYTheKing]

hi I am new to all this upgrading im just wondering what will be decently good to play games like call of duty and that.

 

[Tacticall993]

hi I am new to all this upgrading im just wondering what will be decently good to play games like call of duty and that.

You cant do any upgrades until you upgrade your PSU. Once you do that get a new motherboard so that it can support the latest intel/ AMD cpus. Then upgrade the GPU.