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Go ahead with the Patch installation; steps to install and uninstall the patch are in the below sections.
Installing 64-bit Jars
Download eStudio 64bit JVM upgrade patch (javaupgradepatch.zip) from http://www.fiorano.com/downloads/fiorano-platform/. Then extract javaupgradepatch.zip. Go to the location $FIORANO_HOME\eStudio\patch\. This contains a file "Launching eStudio using 64.doc" and a folder "eStudio-delta-pack" .
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Overview
Content Tools
ThemeBuilder