Guide

1. Navigate to Setup on the top right and search for AppExchange Marketplace in the Quick Find.

2. Click on Go To AppExchange

3. You will be taken to the AppExchange page. Search the app you want to connect to Salesforce in the search bar.

4. For Example: Bar Code Generator.

5. Select the App you want to install

6. And hit the Get It Now button.

7. Back in Salesforce, search for Installed Packages in the Setup's Quick find.

8. Find your installed Apps over here.