Installation & License menu View All List Installation & License Function Inquiry Error Inquiry When upgrade information does not match E-mail error message when registering a license or coupon If the license is deauthorized after updating from v.1.0 to v.2.0 How do I upgrade my license? How do I register for a coupon? If you registered Full version but run as Free version after OS reinstallation My email address has changed and what should I do? Can I use a license in multiple PCs? Can I re-register on a new PC? I lost my License Key. How can I find it? How can I register my license? 1