import { windowsversion } from "https://deno.land/x/denops_std@v4.1.3/function/mod.ts";
The result is a String. For MS-Windows it indicates the OS version. E.g, Windows 10 is "10.0", Windows 8 is "6.2", Windows XP is "5.1". For non-MS-Windows systems the result is an empty string.