This version of Skype is being discontinued soon
Important notice!Support for classic Skype will be ending in September 2018
As reported on the official blog, starting from March 1, 2017 the old version of Skype for Windows and Mac will stop working, and will not allow users to log in as long as they will not update the application. As older versions for Windows are mentioned 7.16 and below, while for Mac OS X — version 7.18, inclusive.
The users of these versions already received the following notification:
Please update Skype now. This version of Skype is being discontinued soon. To continue using Skype please update to our latest version today. Update now for free.