Copy this inside a bat file :

@echo off 
pushd "%~dp0" 

dir /b %SystemRoot%\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientExtensions-Package~3*.mum >List.txt 
dir /b %SystemRoot%\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientTools-Package~3*.mum >>List.txt 

for /f %%i in ('findstr /i . List.txt 2^>nul') do dism /online /norestart /add-package:"%SystemRoot%\servicing\Packages\%%i" 
pause

Then execute it with admin rights.

After that you will have access to gpedit.msc.

But it won’t be the full version. I recommend using an alternative software like PolicyPlus right there : Policy Plus Release Build