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Once the build is complete, browse to the {oem-enterpriseweb folder}\target and copy-paste the jw.war file into any existing Joget installation folder i.e \Joget-DX7DX8-Enterprise\apache-tomcat-8.5.41\webapps
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Start the Joget Server to have at a look at your OEM build.
Now you can start customizing your OEM build.