Got an old slow laptop collecting dust? Turn it into a speedy Chromebook for FREE with Neverware! All you need is a USB stick with 8GB or 16GB of storage and your old laptop (must be on the supported model list) Even if your machine isn’t listed, though, CloudReady may work.
Pick the Home Edition and follow the installation instructions provided on their website. This is a pretty awesome way to turn old computers that are outdated or underpowered into screaming fast Chromebooks.