golang 1.18 beta1 download
https://dl.google.com/go/go1.18beta1.linux-amd64.tar.gz
https://dl.google.com/go/go1.18beta1.windows-amd64.msi
https://dl.google.com/go/go1.18beta1.linux-amd64.tar.gz
https://dl.google.com/go/go1.18beta1.windows-amd64.msi