click Tools >> Change Language >> then select English or the language you prefer. As finding these menus would be difficult in a window with a language you are not familiar with, I included a link to a screenshot of the change language option.

Skype is blocked by Government, its working but sometimes voice not working and few other issues, so best is to use VPN tunnel to unblock Skype, VPN (Virtual Private Network) connects your machine with a remote server and allows your traffic to redirected to that server and hence no restrictions , so this is best ...