You are downloading the Yuki Explorer APPX file v188.8.131.52 for Windows Phone. Yuki Explorer is a paid and useful Utilities & Tools app: Unlimited Free Trial ,No Time Limit, No Ads Forever you can buy this app to support me,thanks File Manager App For Wp8.1 support explorer ... You can now download the offline APPX file to install & try it.
Download Locations for Yuki Explorer 184.108.40.206 APPX file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline APPX 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 Yuki Explorer APPX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.