Exisitng licenced users of version 3 can purchase a single user version 4 licence for *$510 USD.
Even though it is is referred to as an upgrade, Installing version 4 on the same PC as version 3 does not affect the version 3 software.

*You will be charged the UK Pounds Sterling equivalent of the USD price shown, at the current exchange rate. Click here to convert to your own currency.

To upgrade from version 3 to version 4, click here.
If you have any pre-sales questions, please use our enquiry form.