You are downloading the Knock Out XAP file v18.104.22.168 for Windows Phone. Knock Out is a free and fun Sports & Recreation game: Dodge,jab and brawl with intense arcade-style boxing! Start in the amateur circuit and work your way up to pro,meeting your opponents along the way. ... You can now download the offline XAP file to install & try it.
Download Locations for Knock Out 22.214.171.124 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Knock Out XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.