Which installation step for Public Sector Solutions requires the use of developer tools?

The installation step that requires the use of developer tools is the deployment of the DataPack Lightning Web Component Files to the org. This process typically involves accessing a development environment where developers leverage tools such as Salesforce CLI, Git, or other version control systems to manage and deploy code effectively.

Deploying Lightning Web Component files is a technical process that requires knowledge of how to handle components within Salesforce, ensuring they are correctly integrated into the org's structure. Developer tools facilitate this by enabling the deployment of the files in a structured manner, handling dependencies, and managing any potential conflicts that may arise during the installation.

In contrast, the other options may not necessarily require extensive use of developer tools. For instance, activating DataPack OmniScripts and Integration Procedures typically involves configurations that can be managed through the Salesforce UI rather than through coding or deployment processes. The installation of the OmniStudio Package might also be performed through the AppExchange or settings in the org, minimizing the need for developer tools. Lastly, downloading Public Sector Sample DataPacks from the Process Library usually involves simply retrieving files rather than deploying them, which does not typically necessitate developer tools.