"A casual Google search will reveal that geeks across the web are deeply divided about whether or not you should copy an existing installation or start with a fresh installation of Windows. There’s very little conclusive evidence that cloning your existing HDD onto an SSD causes any issues and certainly not enough evidence for you to kill an entire day (or even a weekend or longer) installing everything from scratch and tweaking all your applications and settings. Your time is valuable, far too valuable to waste redoing all your work chasing a phantom increase in performance. At the How-To Geek office we’ve been using the a cloned SSD for some time with no ill effect (and none of the headaches that come with wiping your system and starting from scratch). Migrating is an enormous time saver."