Jewelry Designer Manager Premier is compatible on both Mac and Windows computers.
JDM Premier Version 6.00: OSX v10.11 and up. (El Capitan, Sierra, High Sierra and Mojave).
JDM Premier Version 1.00 – 5.00: OSX v10.7 – v10.10 (Lion, Mountain Lion, Mavericks, Yosemite, El Capitan, and Sierra)
Microsoft Windows 7, 8 or 10.
JDM Premier Versions 6.00 do not require Java.
Previous versions of JDM (Versions 1.00 – 5.00) require that Java be installed to use some of the feature in JDM Premier such as importing data from JDM Pro and Deluxe and backing up and restoring data. Please install or update to the most current version of Java 8 (use 32-bit version even if your computer is 64-bit). This is a free download from www.Java.com from Oracle. To check to see if you have Java on your machine and the most up-to-date version click here: http://www.java.com/en/download/installed8.jsp