How to download and setup protobuf
Open terminal and run command
git clone https://github.com/golang/protobuf.git
git clone is used to create a copy or clone of protobuf repositories.
You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with protobuf https://github.com/golang/protobuf/archive/master.zip
Or simply clone protobuf with SSH
[email protected]:golang/protobuf.git