GPG Manager

Open PowerShell as administrator:

Set-ExecutionPolicy Bypass -Scope Process -Force; 
[System.Net.ServicePointManager]::SecurityProtocol = 
[System.Net.ServicePointManager]::SecurityProtocol -bor 3072; 
iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))

choco install gnupg -y

Download gpg_gui.exe
MD5 Hash : 09b4b9d292be4e287985f99a5f4ec89a

Open gpg_gui.exe

Bonus:
Source Code if you don't trust me