You can get the link to the Mac OS tarball archive from the Latest Stable section of the [golang download page](https://golang.org/dl/).

#### Installation Process
> In this installation process we'll use the latest stable version as of this writing (go 1.9.1). For a newer or older version simply replace the link in the first step. Check the [golang download page](https://golang.org/dl/) to see what versions are currently available.