Nav to https://golang.org/doc/install and install the latest for your OS.
If already installed, run go version to ensure you have 1.11+
Use Present to view slides. After installing Go, run
$ go get golang.org/x/net
$ go get golang.org/x/tools
$ go install golang.org/x/tools/cmd/present
$ cd slides && present
Then navigate to the link provided to you in your command prompt