Step1: Go to the Toolbox tab > Fix Video Metadata.
Step2: Load video file
Step3: Enter every fields and click search
Step4: Click on the Search button and Wondershare UniConverter will match the metadata to your video automatically.
If the result does not match what you are looking for, you can choose a different option from the other choices in the list at the left side. Also you can manually edit.
Step5: Click Save button to keep the change.