To enable sound in the Island Browser, you can follow these steps:

Open Island on your computer.

1. Click on the three vertical dots located at the top-right corner of the browser window. This will open the Island menu.

2. From the menu, select "Settings." This will open the Island Settings page.

3. Scroll down to the bottom of the page and click on "Advanced" to expand the advanced settings options.

4. Under the "Privacy and Security" section, click on "Site settings".

5. In the Site Settings page, scroll down and locate the "Sound" section.

6. Click on "Sound" to access the sound settings.

7. Here, you can toggle the switch to enable or disable sound for websites.

8. If you want to allow sound for all websites, make sure the switch is turned on.

9. Alternatively, you can customize sound settings for individual websites by clicking on the "Add" button under the "Allow" section. Enter the website URL and choose the sound behavior (allow, block, or ask).

10. Once you have made the desired changes, close the “Settings” tab.

By following these steps, you should be able to enable sound in the Island web browser.