This is a Free upgrade to JSEAsy v4.3 Single User for Single User Rental Customers.
This upgrade applies to all standard/ base versions from v4.2 through to v4.2.3
This will upgrade your existing data file and give you all of the new features included in JSEAsy Single User v4.3
All of your existing data will remain intact. All of the new features are added to your existing data file to upgrade you to v4.3