Buying a new pc ! help needed

is nice seeing u guys discussing about it but since i dont understand much about computers
is there any program, etc. That makes the windows use all the 4gb ram?

If you are running Vista SP1 (32 bit) and have compliant hardware (BIOS plus chipset) then it will work. If not you will run into some of the limitations i have already outlined.

The article I linked lists the requirements to get the full 4gig running a 32-bit OS.

This is another reason why everyone needs to ditch BIOS and switch over to EFI.
 
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