do i need to upgrade to windows 64bit OS

Dilshad Dillu

Reputable
Jun 3, 2014
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I have 4gb ram ddr2 (800mhz and 667 mhz)
Dram frequency 400mhz
In boot menu it is 800 mhz and 4gb ram
I am using 32bit OS iin properties it is showing 4gb but usable only 1.96 GB what is this
My processor Intel Pentium dual core e5300
Radeon r7 250x 1gb ddr5 gpu