You can upload your article after registering and receiving your username and password and logging in. Make sure to read the "Authors’ Guide" section before submitting your article, according to which you can precisely edit it. The article is received and reviewed only through the system.
In the "System Login" page, select the "Forgot your login password!". You can enter your e-mail address and receive your "username" or "password" in there.
No, this is considered unethical in publishing. If this is done, your article will not be published, and if it is published, it will be invalidated. Your name will then be blacklisted and no other articles will be accepted from you. Also, according to the letter of commitment sent by the author, in addition to reporting the violation to the competent authorities, the authors shall incur all costs imposed on the journal office.
The corresponding author can view the status of the article on his profile through the Journal’s system. Therefore, all actions, including submitting, reviewing, correspondence, requests, changing the authors’ order, etc., are only possible through the corresponding author.