I'd be happy to help you with installing the latest version of Abyssmedia Audio Converter Plus for Windows.

Based on the information provided, it appears that the latest installer available is version 6.9.0.0, which can be downloaded from the following key:

`{key = 'instal the last version for windows Abyssmedia Audio Converter Plus 6.9.0.0';`

You can download this version by copying and pasting the key into your preferred search engine or by visiting the official Abyssmedia website.

Please note that it's always a good idea to verify the authenticity of the download source before installing any software on your computer.

Additionally, you may want to consider other features offered by Abyssmedia Audio Converter Plus, such as:

* Recording new audio tracks

* Converting unsupported audio files

* Adjusting tempo values

* Totally Free BPM Counter (no adware, spyware, toolbars, or unwanted software)

* Mono-to-stereo audio file conversion

* Video to MP4 and audio extraction

If you have any further questions or concerns, feel free to ask!

Instal the last version for windows Abyssmedia Audio Converter Plus 6.9.0.0