go to do https://golang.org/dl/ and copy the link.

$sudo wget https://dl.google.com/go/go1.13.7.linux-amd64.tar.gz -O - | sudo tar -xz -C /usr/local/
edit file
nano ~/.bashrc
add following and save it (ctrl+x)
export GOPATH=$HOME/work
export PATH=$PATH:/usr/local/go/bin:$GOPATH/bin
reload /.bashrc
source ~/.bashrc