HCL recommends Windows® 7.
HCL recommends Windows® 7. ME Laptop 2025 · · · · · · · · · · · · · · · · Service designed into the product Genuine Windows® 7 Professional Intel® 2nd Generation Core i3/i5/i7 Processors Intel® HM65 chipset 15.6" HD (1366x768) LED backlit LCD display Upgradable upto 8 GB DDR3 1333 MHz RAM Nvida Geforce GT 520M 1 GB DDR3 graphic card Upgradable upto 640 GB, 5400 RPM HDD DVD Super Multi Drive Integrated Camera 1.3 MP, WLAN & Bluetooth 3.