GOPATH environment variable (%GOPATH%, $GOPATH) will be created after you install Go on your computer.
What is it for?
This environment variable is used to find Go workspaces which contains binaries, packages, etc. For example, once
The default location is %USERPROFILE%/go on Windows or $HOME/go on Linux. Basically it locates in a subfolder named gounder your user home folder.
Change it to other directory
Windows
To change it on Windows machine, go to Edit the system environment variable -> Environment Variables:
Click GOPATHvariable and then edit the value:
Click OKbutton to save the changes.
Linux
To change it on UNIX-alike systems, edit .bashrc or .profile file.