This article provides a solution for when you experience a 404 not found error when trying to access the Web Setup Wizard via the admin panel.
When installing an extension using Web Setup Wizard a 404 page displays.
Steps to reproduce:
Merchant clicks the Web Setup Wizard to install new module/integration.
A 404 error displays.
The Web Setup Wizard has been disabled for all Adobe Commerce on cloud infrastructure instances - it is not possible to enable it. Extensions have to be installed through composer.
This feature is disabled on Adobe Commerce on cloud infrastructure.
See Install, manage, and upgrade extensions in our developer documentation for information on how to perform updates or install external modules for Adobe Commerce on our cloud infrastructure.
See Quick start install in our developer documentation for information on how to perform updates or install external modules for Adobe Commerce on-premises.