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title: InstallFromSource
---
## Introduction
This is a companion to https://go.dev/doc/install/source providing additional instructions for various operating systems.
## Install C tools
On OS X, a C compiler is bundled in the command line tools for
[Xcode](http://developer.apple.com/Xcode/),
and you don't need to install the whole Xcode to compile Go.
If you have already installed Xcode 4.3+, you can install command
line tools from the Components tab of the Downloads preferences panel.
In more recent versions of Xcode, you can use ` xcode-select --install `
command to install the command line tools without opening Xcode.
To verify you have a working compiler, just invoke ` gcc `
in a freshly created Terminal window, unless you see the
` "gcc: command not found" ` error, you are ready to go.
On Ubuntu/Debian, use ` sudo apt-get install gcc libc6-dev `.
If you want to build 32-bit binaries on a 64-bit system you'll also need the ` libc6-dev-i386 ` package.
On RedHat/Centos 6, use ` sudo yum install gcc glibc-devel `.
If you want to build 32-bit binaries on a 64-bit system you'll need both
` glibc-devel.i386 ` and ` glibc-devel.x86_64 ` packages.
On Windows, install ` gcc ` with
[TDM-GCC](http://tdm-gcc.tdragon.net/). or try [TDM-GCC Sourceforge link](https://sourceforge.net/projects/tdm-gcc/).
(Make sure you add its ` bin ` subdirectory to your ` PATH `.) Go does not support the Cygwin toolchain.