The Difference between Medicare and Medicaid. Medicare and Medicaid are both federal healthcare programs, but there are some major differences between the two. These differences primarily have to do with who runs them, who qualifies for them, how much users pay and what services they cover.
Product key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium. A product key, also known as a software key, is a specific software-based key for a computer program.It certifies that the copy of the program is original.roduct key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium. A product key, also known as a software key, is a specific software-based key for a computer program.
Windows product keys. You can change your Windows product key by following the instructions at the Update your Windows product key Microsoft web page. Click on your operating system version next to the title to see instructions for your operating system. Finding your Office 2013 product key. In the resulting dialog box select the Enter a Product Key option and click Continue. 2  Type your product key and select the option Attempt to automatically activate my product online. 3  Then click Continue and on the next screen click Install Now.