A little windows transfer question

[In7ernal]

I hope someone can answer as I'm in a bit of a corner here if I can say it that way. I have 3 HDD's : 1.80 GB Seagate (old,small,slow) 2.320 GB Seagate (fast,new,quite large) and 3.External Seagate 500 GB (slow due to USB but new and quite large)! And I have a Windows 7 which I want to transfer to the big fast 320 GB seagate without reinstalling just transfer it (maybe format the hard I don't care) but I want to make the OS run faster because I have a small partition only 20 gigs on the small HDD and it runs so slow... If someone can help I'll be greatful and if you want system specs I can post them too !

 

[Tharwen]

I think copying your C drive to a blank hard drive may do it. That could, however, be completely wrong because of DRM/it's not that simple.

Also, I'd put a space between the question numbers and the sizes of the hard drives. It took me a couple of minutes to work out what you were saying.

 

[In7ernal]

I'm really sorry for the punctuation and thank you for the answer. But I just can't see any other reason that I can't record my games at a reasonable FPS than my HDD where my OS is.
System specs :
CPU : Intel Core2Duo E6300 (old edition) overclocked 2.33 GHz
Mainboard : ASUS P5LD2-X/1333
RAM : 4 GB DDR2
GPU : GeForce GTS250 1 GB DDR3
I run all my games at MAX specs but when I try to record them even at minimum graphics my fps is more than unsatisfying !
EDIT : OS : Windows 7 64 bit Ultimate edition