1. Go to the link https://console.aliexpress.com/apply.htm. If you are not logged in to Aliexpress, you will be prompted to enter your username and password.

If you were not asked for a login and password, you have previously logged in to Aliexpress. Make sure this is the account where your store is located.
2. In the top menu, select "App Management"

3. Read and accept the user agreement:

4. Enter the contact person's last name and first name in the Contact's Name field, select code 0048 from the dropdown list and enter 9 digits of your mobile phone number without spaces.

5. Click Get CheckCode and enter the confirmation code received via SMS.
6. Enter your email address in the E-mail field. Click Information submitted.
7. Click Create App.

8. Select "SELF-Developer" by clicking "Click to Apply"

9. Fill in the details:

10. Click Information Submitted.
11. Your app will be sent for moderation, this may take several days. After your application is reviewed, you will receive an email from service@mc.mail.taobao.com.

12. After passing moderation, you will receive two emails: one will contain information about your developer registration, and the other will contain an email confirmation link.

13. Create an application. Go to the console and click Create App:

14. Click Create App again:

15. Enter the application name (English letters, up to 30 characters), click Create:

16. You will be redirected to the application console, where you can view the application ID (App Key) and secret code (App Secret) by clicking the View link.

17. Go to App Settings - Basic Settings:

18. Enter the address https://shorturl.at/apxIM in the Callback URL field and click Save.

19. Enter the obtained App Key and App Secret into the plugins settings:

20. Then, to make plugin work through the application, you need to complete the authorization process and obtain a token, as per the instructions.
Useful links:
Official application registration instructions.
