This is a FREE upgrade to the latest 1-10 user version JSEAsy v4.5.3 Multiuser for Multiuser Rental Customers
This upgrade applies to v4.4standard multi user version. You may need to first upgrade to v4.4.1 from older versions.
All of your existing data will remain intact. All of the new features are added to your existing data file when you upgrade to v4.5.3