Then extensions page will open, where you should click "install" button and confirm installation once again by clicking "yes, install" (arrow on the image): this was the final one, and now the new browser tab should open showing the message "internet download manager extension for opera has been installed" you can close it 6. Internet download manager extension in opera. If you are using opera web browser and want to integrate internet download manager (idm) software with opera, this tutorial will help you when you install idm in your computer, it automatically integrates itself with popular web browsers by installing its extension called "idm integration module.
internet download manager extension in opera
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