USB to VGA adapter Make dual monitros work?

Normally, If Your Computer Did Support It, There Would Already Be 2 Ports, I Wouldnt Waste Your Money, But Since We Dont Know Your Specs, I Couldnt Answer That. And Dual Monitors Isnt That Great, I Got Bored Of It In About 2 Days, I Thought You Could Surf The Web And Play Full Screen Games, But To Do One You Had To Minimize The Other.