Dell is a very good company.It has released many laptops and computers.These laptos are very good laptops.They have their own security among viruses and other online and offline bugs.Dell electronics have inbuilt antivirus.Mostly they have macafee antiviruses, whch id a very good and trusted antivirus brand.Battery life of Dell is also good( Laptops) .They have 1 year battery warrenty.They also have 1 year manufacture warrenty, we can also increase its warrenty in only 999 Rs per year.They can fulfil all daily internat and buissness needs.They have a very good RAM and memory about one TB.They are good electronics.They are very smooth.