Change of Architecture

sunnyrokxx

Distinguished
Jan 31, 2012
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AMD 560BE processor Phenom X2 overclocked to 3.6GHz (Not able to Unlock the other two cores)
Asus Motherboard M4A78-MLT LE
Crosair Vengence 4GB RAM
ATI Saphire 5770 GPU
Viewsonic 18.5 Monitor
Segate 500 GB HDD
Gigabyte Luxo X142 cabinet

I wanted to install another 4Gb Crossair Vengeance RAM. Can i do it by installing windows 7 Ultimate as 64 bit without making any changes to the above mentioned hardware?
 
Are you running windows 7 32 bit right now?
Yes, you can add another 4 GB stick. You can even add two more later on, if you'd like to.

Can i do it by installing windows 7 Ultimate as 64 bit without making any changes to the above mentioned hardware?
Not sure what you meant by that.
 

Of course you don't have to change your hardware to run 64 bit.

And yes, you'll need to have change to Win7 64 bit, to make use of the 8GB RAM. 32 bit can only give you upto 3.25GB.