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Howto upgrade my Toshiba laptop from Windows7 Professional 32to 64 bit
Hi,
I bought Toshiba satellite pro850 with Windows7 professional pre-installed laptop. Initially for the first time when I logged on my laptop, it asked to choose 32 bit or 64 bit.
So, at that due to lack of knowledge I selected 32 bit. My laptop is of 8GB RAM. later I came to know only 3 GB of RAM is using because of the 32bit and my application not running smooth with this 3GB RAM. So I need to upgrade to 64bit in order to use 8GB RAM.
So, Kindly help me how to upgrade my laptop from Windows7 Professional 32bit to 64bit. From internet I came to know we need reinstall the OS inorder to upgrade to 64bit.
But I didn't receive any OS DVD with my laptop.
Kindly help me how to reinstall/boot my C Drive to the Windows7 professional 64bit.