Installation and Upgrade > Windchill ESI > Installing and Configuring Windchill ESI in an ORACLE Applications Environment > Reviewing Requirements
  
Reviewing Requirements
Before you install Windchill ESI, review the following Windchill ESI requirements.
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To minimize the occurrence of known issues, you should obtain the latest Windchill ESI software and patches from the PTC software update website. Contact PTC Technical Support if you require assistance.