You are downloading the Rar + XAP file v126.96.36.199 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 + 188.8.131.52 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try 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.