How To Get Marketing Cloud Credentials to use in Connector

You will get these credentials at Salesforce Marketing Cloud end.
Login your Salesforce Marketing Account, now go to Setup then under Platform Tools you will find Apps >>Installed Packages click on it as shown in the snapshot –

After that, click on New and add new package details as shown below –

View of Created package –

Now after creating the package click on it and add a new component as shown below –

Choose the component type and click on next as shown below –

Further, you have to select server-to-server option then click on next as shown below –

Now, check the boxes accordingly as shown –



Now after selecting the check boxes accordingly. Click on save as shown below –

After this step, you will get the required credentials from here as shown –

For Account Id and Sub Domain you will need to go to Settings >> Company Settings >> Account Settings as shown –

Now, save the credentials in connector app in appropriate fields as shown in reference image below.

Note: Connector settings may look different from above image for Connector application on different platforms.