You are downloading the InstaSave XAP file v22.214.171.124 for Windows Phone. InstaSave is a free and useful Social app: InstaSave is the best and simplest way to save your favorite shots from ... You can now download the offline XAP file to install & try it.
Download Locations for InstaSave 126.96.36.199 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 InstaSave XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.