Steps to Deactivate an App:

1. Log into the Mendix Portal:

   • Visit the Mendix Portal at https://portal.mendix.com
   • Use your credentials to log in.

2. Go to the App Overview:

   • After logging in, you will be on your dashboard.
   • From the dashboard, click on the "Apps" section to see a list of your apps.

3. Select the App You Want to Deactivate:

   • Find the app you want to deactivate and click on it to open the app details page.

4. Go to the Environment Settings:

   • In the app’s details page, click on the "Environments" tab to view the environments (like "Production" or "Sandbox") associated with the app.

5. Stop the App:

   • In the environment overview, you'll see the running environments. Find the environment that is currently running.
   • There should be an option to "Stop" or "Deactivate" the environment. This will essentially stop the app from running in the Mendix cloud.

6. Confirm the Action:

   • When prompted, confirm that you want to stop the environment. This action will deactivate the app.