The IDE-and-OS-integration wiki page says:
And then configure it to handle *.cs files by copying the content of the <CS-Scrip>\lib\ShellExtensions\Template folder to the C:\Users\<user>\AppData\Roaming\shell-x\cs\01.CS-Scriptfolder. This will create CS-Script menu item in your explorer when you right-click any *.cs file.
But in cs-script.win.v4.14.10.0.7z there's no folder \lib\ShellExtensions\.
The IDE-and-OS-integration wiki page says:
But in cs-script.win.v4.14.10.0.7z there's no folder
\lib\ShellExtensions\.