How do you download Skies of War for free?

The download for a free Skies of War can be found in the description of a YouTube video called "Skies of War (Free Full Version)" by PhoenixARcD. The instructions are

1. Download the .rar file from Mediafire (link in the description)

2. Decompress the .rar file -- if you do not have the software, ExtractNow is free and does the job.

3. After decompressing the file, simply enter the validation code into Rail of War and experience the free full version.