To add a SCORM course, select the Import button in the Course Library. You will be given a pop up like the image below. Click the upload arrow to upload your SCORM file.
After you select your SCORM file, select Upload SCORM Package. Next, you will see the Package Validation screen. This could take several minutes as your file is being uploaded.
After Package Validation, you should be at the Package Sent screen and have all green check marks. Your SCORM course will be available in the Course Library under the External dropdown.