You are downloading the BES12 XAP file v188.8.131.52 for Windows Phone. BES12 is a free and useful Business app: BlackBerry® UEM Client integrates Windows Phone devices with BlackBerry® UEM or BES®12 for enterprise management.Features:Automated ... You can now download the offline XAP file to install & try it.
Download Locations for BES12 184.108.40.206 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 BES12 XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.