Last night I tried to install BitDefender Anti- Virus that I got from a friend of mine. Well, the anti- virus is on the top of the list right now and that what made me wanted to try it at the first place. Know what, it actually makes my laptop runs slow, really slow even slower than a sick freaking snail that is about to die any second because of dehydration. So, my advice is not to install that anti- virus since it will anti- speed your laptop or PC and demotivated you too, well unless you got larger size of RAM (mine is 1 gigabyte by the way). Trust me. Less is more.