Windows 7 after format?

ProudMan43

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Apr 10, 2014
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Greetings and thanks for reading,
A couple of days ago, I decided that I wanted to upgrade my laptops harddrive into a solid state drive instead of using another traditional hdd. I was just wondering if I can just use my old OEM key under my laptop to activate the new harddrive once I install windows 7 as an ISO from a usb stick. I havent started the process yet so any help and tips would be greatly appreciated!
Thanks!