Can I switch out my HDD into a new PC?

[Guest]

I have a 2TB HDD and am building a new PC, I really dont want to buy a new Hard Drive or copy of windows...
Can I just format my Hard drive and plug it in to my new pc, then reuse the activation code i used on my old PC for windows 8?

Also will I still be able to upgrade to windows 10 for free? Im building this PC in a month or so

Help?

 

[R_1]

1. yes. hard drive can go into new system. you cannot reuse the windows key unless it is a retail version (assuming motherboard change). did the key come with the PC you have now? if yes then you probably have an OEM copy and will need a new key.
2. no. today is the last day for the upgrade for free so if not today then no.
hope this helps

 

[AppleGwava]

Actually if you are lucky you can just pop in the hard drive and set boot priority but ther is a chance windows wil refused to load after so many components have been changed,some get away with gpu,cpu,ram and motherboard but others are not so lucky.IMO you sould just give it a go as you have nothing to lose except a few minutes.And yes,the copy of windows still has all its priviledges