You should be able to easily install it by putting `(ensure-installed 'evil)` (and evil setup parts) into the user config file, or using Emacs' package-list, which is explained in the help buffer.

>It needs EVIL for us vim users.

I guess on the future we could have VPortacle, which would be VIM + SLIMV (Superior Lisp Interaction Mode for Vim, the Vim counterpart to SLIME).