Navigate to the certificates folder within your VS2017Offline layout folder.
Open the \certificates folder in your layout directory and install all included root certificates. Visual Studio 2017 Full Offline Installer full version
You first need the small executable file for your specific version. Note that older versions like 2017 generally require an active Visual Studio Subscription to access. vs_community.exe Professional: vs_professional.exe Enterprise: vs_enterprise.exe 2. Create the Offline Layout Visual Studio 2017 Full Offline Installer full version