You are downloading the Sight Words XAP file v18.104.22.168 for Windows Phone. Sight Words is a free and useful Kids & Family app: A simple flash card management app. Tap a list to start viewing words, and tap or swipe to move to the next word. Use the settings to shuffle words ... You can now download the offline XAP file to install & try it.
Download Locations for Sight Words 22.214.171.124 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 Sight Words XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.