You can directly upgrade to 10.4.0 from Informatica 10.0, 10.1, 10.1.1, 10.2, 10.2.1, and 10.2.2.
If the product version that is currently installed cannot be upgraded to Informatica 10.4.0, you must first upgrade to a supported version. To determine the Informatica product version that is currently installed, click