When you publicly share a file on google drive it's URL will be look like below:
When you open above URL, It will open default google drive preview screen with download button.
If you want to skip this preview screen and want to create direct file download URL then you can use below URL:
Here you have to replace DRIVE_FILE_ID with your actual file id.
For example in above demo link, DRIVE_FILE_ID: 14NV9kfJ819t-uP5NHfsQpi4tgTP3dzOi
So your direct file download link will look like below:
You can use this URL in Links Library module for direct file downloading.