Here are some key points regarding this:
Click the three dots (...) on the GTA V tile > Manage > Verify . 2. Locate the File Patchday3ng Dlc.rpf Download
If you are modifying this file, always use OpenIV to copy it to a separate first. This keeps your original game files safe and makes it easy to revert changes without needing a fresh download. Here are some key points regarding this: Click