You are downloading the Zalo XAP file v126.96.36.199 for Windows Phone. Zalo is a free and useful Social app: Zalo is the new market-leading messaging app with amazing features. * Rich feature set:=> Message your friend in a snap. Receive ... You can now download the offline XAP file to install & try it.
Download Locations for Zalo 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 Zalo XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.