Guide for deploying 7Zip on a network via Group Policies
Prepare 7Zip Files
Download the latest 7Zip msi from https://www.7-zip.org/download.html (choose the msi appropriate for your environment - the latest x64 version at time of writing is 7z1900-x64.msi)
Copy the msi file eg 7z1900-x64.msi to your deployment share folder.
Deploy 7Zip using Group Policies
Deploy via Group policies as normal; no modification or patch files are required