
Registered customers who own Sharpener Pro are eligible to purchase upgrades to Sharpener Pro 3.0 at a significant discount. Use the form below to view your upgrade options and pricing. To purchase an upgrade, select the version of Sharpener Pro that you currently own, the Sharpener Pro 3.0 edition you would like to upgrade to, choose your operating system and language, enter your product key of your current Sharpener Pro software, and click Buy.