title: Will .NET Framework 4 replace all its previous versions?
body: <p>When Installing .NET Framework 4 in the near future, I would like to know if this product will replace all the previous .net frameworks that I have installed (i.e. 1.1, 2.0, 3, 3.5).</p>
  
  <p>If yes, could I uninstall all of them?</p>