Step 1: First, navigate to your PrestaShop’s Front Office login page.
Step 2:Click on the “Sign In” link, located in the upper right-hand corner.
Step 3:Click on the “No account? Create one here” link.
Step 4:After you will in the required fields (first name, last name, email, and password), click SAVE. Be sure to make note of the password you are using, you will end up using this password to login as the admin.
Step 5:Open up phpMyAdmin and navigate to the database for your Prestashop installation.
Step 6: Open the ps_customer table and look for the user you just created.
Step 7: Copy the password field.
Step 8: Open the ps_employee table and look for your admin user.
Step 9: Paste the password you copied from the ps_customer table into the password field of the ps_employee for your admin user.
Step 10: Click Go to save your changes.
Step 11: Navigate to your PrestaShop admin login URL. Test your login to confirm the email address and password are combination work.