Here is a list of steps that can be taken when attempting to create a new alert for a document in a SharePoint library:

1. Log into your SharePoint library.
2. Check to see if your account has permission to manage alerts for the list.
3. Find the document you would like to set the alert on.
4. Click the ellipses (…) button next to the document you would like to set an alert on.
5. Click the Alert me button.
6. Create your alert settings as you desire.
7. Click OK.