2. Go to the Installed tab, find your active PHP version, and click Setting next to it.
3. In the popup window that appears, select the Install extensions tab.
4. Locate the extension you need (e.g., fileinfo, redis, opcache) and click Install next to it.
5. The installation will begin in the background; you can monitor its progress via the task queue icon in the top-left corner. Once the task count returns to 0, the extension is ready.
