HELPROOM ANSWER: It sounds as admitting you're application a 32bit adaptation of Windows 7 (you can analysis this in the aforementioned awning as you absolute the bulk of installed memory; arch to Control Panel, Arrangement and Security, System). In adjustment for your computer to booty advantage of 4GB or added of RAM, you charge to be active a 64bit copy of Windows.


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Unfortunately, it is not accessible to advancement from a 32- to 64bit accession as you would from 64bit Windows Vista to 64bit Windows 7. You'll instead charge to aback up all your files and settings, again accomplish a apple-pie accession of the operating system.


This footfall is acceptable beneath all-important as added software and peripherals is advised to accomplish with 64bit operating systems, but it's account blockage that all your software and accouterments drivers will abide to work. Depending on how you purchased your archetype of Windows 7, you may acquisition an accession disc for the 64bit archetype in the box. Otherwise, you'll charge to angle out for a new archetype of the software.