Laptop highest class Sony VAIO VPCF 16.4 `` based on 4-core processor Intel Core i7. When I bought it, it's a miracle on eBay in the United States it was pre-installed English version of Windows 7 64bit with a bunch of proprietary software. The first thing everyone wanted to carry and install the new Windows 7 in Russian. However, there is an option of Russification OS but it usually does not always lead to a stable and adequate working OS. Now down to business. The model of my laptop Sony VAIO VPCF1190X (VPCF115). The first thing I found Russian-language Windows 7 64bit, there is no time at all before that did not put on a 64-bit system, since not all programs are guaranteed to work on 64-bit OS, but the notebook comes with 6 Gb of RAM will be very sorry if the 3 Gb lost. because 32 bit Windows 7 can not see more than 3Gb of RAM. The notebook was originally imprisoned under Windows 7 but it's not as not affected the ease of installation of the drivers on the laptop. It took me...