You are downloading the QQ XAP file v126.96.36.1998 for Windows Phone. QQ is a free and useful Social app: [Version Description] Chat with millions of friends with QQ Mobile for Windows Phone! It supports video chat, massive chat groups and voice ... You can now download the offline XAP file to install & try it.
Download Locations for QQ 188.8.131.528 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 QQ XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.