You are downloading the WaLock XAP file v18.104.22.168 for Windows Phone. WaLock is a free App: WaLock is a simple application to lock your whatsapp messaging app. Simply put a master password and You are done! Your Whatsapp is protected ... You can now download the offline XAP package file to install & try it.
Download Locations for WaLock 22.214.171.124 XAP file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline WaLock XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.
WaLock Version History
Need old versions of WaLock? Download the old package files now: