windows split

i installed winscp version 5.7.3 build 5438 on 2 computers with windows 7 home premium.
in one computer i'm getting two windows : in the left side loacl computer and in the right side remote server.
in the other computer i'm getting only one window with the remote server .
can i spilt it also to two windows ?

Please read documentation:
https://winscp.net/eng/docs/interfaces

If that does not help, come back.