You are downloading the Rar + XAP file v184.108.40.206 for Windows Phone. Rar + is a free and useful Business app: Rar + is a powerful utility to extract rar archives. This application is built with latest Unrar library which provides faster decompression. Now ... You can now download the offline XAP file to install & try it.
Download Locations for Rar + 220.127.116.11 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Rar + XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.