Sata hard drives

I have an existing computer with an SSD(Boot drive) and Seagate Sata hard drive on it. Since I'm changing cpu and motherboard, I'm buying a new M.2 Nvme SSD boot drive for windows but I'd like to reuse this hard drive. How do I go about formatting it and using it as a new blank hard drive?

Hi, i want to upgrade my pc with new Graphics card, before that i need some clarifications regarding PCI-e slot, my motherboard(Intel DH61WW) has pci-e x16 2.0 slot,but most of the modern graphic cards has a pci 3.0 slot, will that work for me if i have to install,

I need a gaming mouse wires or wireless I have a higher end budget but how would this mouse work http://www.amazon.com/Logitech-Master-Wireless-Mouse-910-004337/dp/B00TZR3WRM