This chapter tells you how to upgrade from earlier Plesk Sitebuilder versions (2.0.5 or 3.x) to Plesk Sitebuilder 4.x.
In this chapter:
Migrating from Version 2.0.5 to 4.x
Upgrading from Version 3.x to 4.x
Upgrading from Version 4.0 or 4.1 to 4.5: OS Compatibility