Can´t continue installation

Can´t continue installation

Hello,

I´ve just downloaded the Wyse PocketCloud Companion for Windows 7, installed it and wanted to start it but a new opened window says that I am missing VNC software. Unfortunately the window is cut on the right side so I am only able to see about 80% of said window and I cannot expand it. Thus I can´t click "Next" to go to the next step of the installation. Obviousley there is also a keyboard combination I can hit, but I also cannot read it, it says:
"Press Next to begin installation or press C..."
"...installation of VNC sofftware."

Can somebody tell me which keys I can press to continue?