You've provided a key-value pair where the key is 'NCH DeskFX Audio Enhancer Plus 5.18 instal the new version for ios' and the text is a detailed description of the software, its features, and download instructions.

Based on this information, I can help you with the following:

1. Downloading the latest version of NCH DeskFX Audio Enhancer Plus for iOS: Unfortunately, the provided text does not mention anything about an iOS version or a direct download link for iOS devices. The software appears to be designed for Windows operating systems only.

However, if you're looking to use a similar audio enhancer on your iOS device, I can suggest some alternatives:

* You can search for 'audio enhancers' in the App Store to find compatible apps for your iOS device.

* Alternatively, you can consider using online audio enhancement tools or services that are compatible with iOS devices.

If you'd like me to help you explore these options further or assist you in finding an alternative solution, feel free to let me know!