You are downloading the MEGA XAP file v18.104.22.168 for Windows Phone. MEGA is a free and useful Productivity app: MEGA: The Privacy Company Privacy Here at MEGA, you are in charge of your data. Neither MEGA, your Internet provider, a search ... You can now download the offline XAP file to install & try it.
Download Locations for MEGA 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 MEGA XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.