2 Hard drives and 2 OS can i run them

Mighty_4

Prominent
Aug 1, 2017
3
0
510
Hi,

I have 2 hard drives, 1 in my main PC and 1 in spare one, i want to sell the spare one but dont want to sell hard drive (coz i dont want someone to get my informations), hard drive in main has 64 bit windows 7 and spare one has 64 bit windows 10. I want to put the second hard drive in to my main PC. Can i do that and have and have storage from second hard drive when i turn on my PC?