the files there. When Windows asks if you want to replace existing files, select "Yes" or "Replace the files in the destination" . Verify the Update Launch the game.
When asked for the installation directory, (e.g., C:\Games\WWE 2K19 ). WWE.2K19.Update.v1.03.incl.DLC.rar
If prompted for a password, refer back to the source where you obtained the file. the files there
Check the "Roster" or "Store" section to ensure the new DLC characters or items are unlocked. WWE.2K19.Update.v1.03.incl.DLC.rar