can i connect my old hard drive with my new comp and copy files between the old hdd and the new hdd so i don't have to load os on new hdd

Yes You Can, You can Buy a HD inclosure for like 20 30 bucks and then run it has an external memory or you can run your second one as a Slave HD. Runing it as USB External is a lil easier to set up and run.
Let me know if this helps
TJ

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