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Welcome, welcome

Install Go on Windows

Install Git Bash (optional but recommended, don't skip if you are not sure)

  1. Download git binary: https://git-scm.com/download/win
  2. Keep everything default is fine.

Install Go binary

  1. Go to https://golang.org/dl and download the windows installer.

  2. Next. Next. Next...

  3. Now fire up git bash / cmd, type the following:

    $ go version
go version go1.4.2 windows/amd64

  4. If your output is something like the above, done!

Set up GOPATH

GOPATH is where your go projects and libraries resides. Choose wisely :D

  1. Make a new folder in an accessible location, take note of the paths.
  2. Right click My Computer -> Perperties
  3. Choose Advanced system settings
  4. Open Envionment Variables...
  5. Under User variables, click New...
  6. Variable name: GOPATH Variable value: The folder chosen in step 1. Mine is C:\Users\patat_000\go.

Add Go bin folder to PATH

It enable you to invoke go binary everywhere.

  1. At step 4 of Set up GOPATH, look for a environment variable named PATH. If there are none, create one.

  2. Edit and append the following to the end of the value (don't delete existing value!): ;<YOUR GOPATH HERE>\bin

    Taking the previous example, mine would be like ;C:\Users\patat_000\go\bin

Install Go on Linux

Install Go binary

See https://golang.org/doc/install#tarball

Of course you can also consult your distro packages...

Set up GOPATH

$ mkdir $HOME/go

Now edit your $HOME/.profile to include the following lines:

export GOPATH=$HOME/go
export PATH=$PATH:$GOPATH/bin

NOTE: if you are not using bash, the file to edit might be different.

Install Go on Mac OS X

Install Go binary

See https://golang.org/doc/install#osx

If you have installed Homebrew:

$ brew install go

Set up GOPATH

$ mkdir $HOME/go

Now edit your $HOME/.profile to include the following lines:

export GOPATH=$HOME/go
export PATH=$PATH:$GOPATH/bin

NOTE: if you are not using terminal, the file to edit might be different. NOTE NOTE: same instructions as Linux's one :P