For the previous Google Ads interface:

The process of adding a user in Google Ads classic interface involves navigating through specific steps within the platform. By following a structured approach:

1. Begin by signing in to ads.google.com
2. Click on the Tools & Settings icon located in the upper corner (resembling a wrench).
3. Navigate to ‘Access and Security’ under the ‘Manager’ section.
4. Click the plus icon below the ‘User’ options.
5. Enter the email of the individual you wish to grant access to and specify their role.
6. The invitation will appear as pending until the inviter accepts it.
7. The inviter needs to access their Gmail to accept the invitation. Once accepted, the added individuals and their roles will be visible.

For the new interface or 2024 Google Ads:

In the updated interface Google Ads, the process has been streamlined to enhance user experience without compromising functionality:

1. Sign in to ads.google.com
2. On the left side of the interface, find and click on ‘Admin’ at the bottom.

1. Explore the options and select ‘Access and Security’ (usually the fourth option).
2. Click the plus icon below the ‘User’ options.
3. Enter the email of the person you wish to grant access to and define their role.
4. The invitation will be pending until the inviter accepts it.
5. The inviter must access their Gmail to accept the invitation. Once accepted, the added individuals and their roles will be visible.