The protocol buffer compiler, protoc, is used to compile .proto files, which contain service and message definitions. Choose one of the methods given below to install protoc. Install Pre-compiled Binaries (Any OS) To install the latest release of the protocol compiler from pre-compiled binaries, follow these instructions: From https://github.com/google/protobuf/releases, manually download the zip file corresponding to your operating system and computer architecture (protoc-<version>-<os>-<arc...