Yes, the second one will not activate. You'll have to stick with the version that comes with the laptop unless you want to pay for the Anytime Upgrade. Personally I only need more than Home Premium for one of my computers. I know that Bitlocker would be nice on a laptop but there are other whole disk encryption options like TrueCrypt.
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…