If your computer came with Office 2013 pre-installed (or if you lost your installation disc), you can still reinstall Office with your product key—you just need to download it straight from Microsoft.

When you perform a factory restore on your computer, all the programs are deleted, including Microsoft Office. With Office 2013, you can sign in to your Microsoft account and reinstall Microsoft ...

Most pieces of commercial software come with some form of protection to deter unauthorized copying and installation. Although software makers use different methods to achieve this goal, one common ...