Validation asks a different question. Did we build the right product? You check the software against the original user needs. A verified system can still fail validation. It happens when requirements miss the target.
Developers use beta programs and usability tests. Stakeholders approve the final output. Validation confirms the software solves the actual business problem.
It happens after or alongside verification. Both processes are crucial. Software Verification checks the mechanics. Validation checks the usability and purpose.