It appears you've provided some text in Portuguese and English, along with a key phrase 'Firemin 11.8.3.8398 download the new version for apple'. I'll do my best to help you with your query.

The key phrase suggests you're looking for an update of Firemin software specifically designed for Apple devices. Firemin is a program that helps reduce memory consumption by tweaking Firefox browser settings and applying optimizations.

Based on the provided text, here are some key points:

1. Firemin is available for Windows operating systems.

2. The program aims to reduce resources consumed by the Firefox browser.

3. Despite numerous updates, Firefox still uses more memory than other popular browsers.

4. Firemin Portable will eliminate memory leaks in Firefox by applying tweaks to its core.

As of now, I couldn't find any information on a specific version 'Firemin 11.8.3.8398' designed for Apple devices. It's possible that this might be an outdated or discontinued version.

If you're looking for the latest version of Firemin, I recommend searching online for 'Firemin download' or 'Firemin for Apple'. You can also check the official website of Rizonesoft, the developer of Firemin, to see if they have a compatible version available for Apple devices.

Let me know if there's anything else I can assist you with!