Step 1: Open a Google Slides document.
Step 2: Click on the "Add-ons" menu in the top toolbar.
Step 3:** Select "Get add-ons" from the drop-down menu.
Step 4: Search for "Helperbird" in the G Suite Marketplace.
Step 5: Click on the "Helperbird" add-on listing.
Step 6: Click on the "Install" button to install the add-on.
Step 7: A pop-up window will appear asking for permission to install the add-on. Click on "Allow" to continue.
Step 8: The Helperbird add-on will now be installed and available to use in the "Add-ons" menu.
Step 9: To use the add-on, select "Helperbird" from the "Add-ons" menu, and follow the prompts to customize your settings and start using the features.
Step 10: (Optional) To manage or remove the add-on, go to the "Add-ons" menu and select "Manage add-ons". You will be able to see the add-ons that are installed and have the option to remove them.
It may require additional steps such as signing in to your account or admin approval.