Hi , Here is a link to My Tax Portal.
https://hectormayolcpa.mytaxportal.online/#/login
below is some link to tutorial videos
Register using a Personalized Link
Register with MyTAXPortal (Taxpayers)
How to Accept an Invitation in MyTAXPortal (Taxpayer
Using the MyTAXPortal Dashboard
How to Review Your Return in MyTAXPortal (Taxpayers)
How to upload a document to MyTAXPortal using the MyTAXPortal Scanner