Toshiba Satellite Pro R50-B-12U (15.6 inch) Notebook Core i5 (4210U) 1.7GHz 4GB 500GB WLAN BT Windows 7 Pro 64-bit (pre-installed) and Windows 8.1 Pro 64-bit (on DVD) Intel HD Graphics 4400) -
Q&A: Will switching from Windows 7/32 bit to 64 bit really give my laptop more memory?