Go inside the Workflow Guide and click on "Add Step"
Click on "Image Step"
Click on "Bulk Images with text"
Bulk Images with text feature allows you to upload multiple selected images along with their respective text files, in a single go
Select the image files and their respective text files and click "Open"
The images and text files are being uploaded, you can see the progress in the topmost bar. Click "OK" for now
The files have been uploaded and the step has been created successfully