Downloading the game this way bypasses the developers (Ember Lab). As an indie studio, they rely on sales to fund future projects.
A well-known site in the "piracy" community that provides compressed versions of PC games. download-kena-bridge-spirits-apun-kagames-part1-rar
If you are interested in playing Kena: Bridge of Spirits safely and supporting the creators: Downloading the game this way bypasses the developers