How to install golang

Golang is a modern programming language. It is characterized by high efficiency, maintainability and high development efficiency, and has been used by more and more software developers.

If you still don’t know how to install Golang on your computer, this article will introduce you how to install Golang and how to configure environment variables.

1. Install Golang

1. Open the browser and enter the official website https://golang.org/dl/ to download the Golang installation package:

Please select the corresponding installation package to download according to your computer's operating system. For example: if your computer is a Windows system, you need to download the Windows version of the installation package.

2. After downloading, double-click to open the installation package, and the following installation interface will appear:

Click Next and follow the prompts to set the installation path and option, and then keep clicking Next until the dialog box in the picture appears:

Do not select "Launch the Go Tool", we can manually configure the environment variables.

3. After the installation is completed, we can find the decompressed file of the installation package in the installation directory:

Now Golang has been installed It worked.

2. Configure environment variables

In order to use the Go command in any path, we need to configure environment variables. The configuration methods are different under Windows or Linux systems:

Windows system:

1. Right-click the computer icon and click Customize:

##Select advanced system settings:

In the pop-up dialog box, click Environment Variables:

Find Path in the system variables and click Edit:

In editing In the environment variable, click New:

In the pop-up "New User Variable" dialog box, enter the variable name GOBIN and the variable value Golang bin directory path (the default installation path is C: Go in), click OK:

Click New again, and in the pop-up "New User In the "Variables" dialog box, enter the variable name GOROOT, the variable value is the Golang installation directory path (the default installation path is C:Go), and click OK.

After completion, you can open the command line window and enter the go version command to check whether the Go version is correct.

Linux system:

If you are using a Linux system, you need to open the /etc/profile file with root permissions in the terminal and add the following code at the end of the file:

export PATH=$PATH:$GOROOT/bin```

以上代码中，第一行中的/usr/local/go表示你的Golang安装目录路径，如果你的安装路径不一样，那么需要将此路径更改成下本机Golang的安装路径。

第二行中的$PATH:$GOROOT/bin表示将GOROOT的bin目录添加到系统PATH环境变量中，这样你就可以在终端中使用go命令了。

保存修改后，你需要使用source命令来使配置文件生效：

```source /etc/profile```

这样，你就可以使用go version命令来查看Golang的版本信息了。

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