> ## Documentation Index > Fetch the complete documentation index at: https://docs.usertour.io/llms.txt > Use this file to discover all available pages before exploring further. # Usertour.js Installation > Install and configure Usertour.js in your self-hosted environment ## Overview Usertour.js is the client-side SDK that enables you to: * Display interactive content (modals, tooltips, checklists, launchers) to your users * Track user behavior and send targeting information * Manage user properties and events for audience targeting ## Installation Steps ### 1. Basic Installation First, follow the [standard installation guide](/developers/usertourjs-reference/installation/) to add Usertour.js to your website. This is a required step before proceeding with self-hosted configuration. ### 2. Self-Hosted Configuration After completing the basic installation, you need to add the following configuration to connect Usertour.js to your self-hosted instance. Add this script to the `` section of your HTML document: ```html theme={null} ``` ### 3. Configure URLs If you're not using the default port (8011) or host (localhost), update the URLs in the configuration: * `WS_URI`: WebSocket connection URL * `ASSETS_URI`: Base URL for SDK assets * `USERTOURJS_ES2020_URL`: URL for the modern JavaScript bundle * `USERTOURJS_LEGACY_URL`: URL for the legacy JavaScript bundle ### 4. Next Steps After completing both the basic installation and self-hosted configuration, you can: 1. Initialize Usertour.js in your application 2. Configure user properties and events 3. Create and deploy content to your users For detailed implementation guides, see our [developer documentation](/quickstart).