This video explains PowerCenter PowerCenter HotFix Upgradation and Rollback Steps from PowerCenter 10.5.2 to 10.5.4.

For further information, refer to the following document:
https://docs.informatica.com/data-engineering/common-content-for-data-engineering/10-4-1/release-notes/installation-and-upgrade/apply-and-roll-back-the-hotfix.html