Too long did not read: go get golang/dl/go1.x.z; go1.x.z download
Installing Go via homebrew or golang.org will pull the latest version of Go (1.15 at the time of writing). However, in some cases (such as writing a blog post or book) you may need to pin or install a specific version.
The Go community has created a few Go version management programs such as: gvm and g . If you do not want to install these version managersyou can also optionally install various versions of Go via golang.org (at the time of this writing).
# Fetch the package from golang.org
# NOTE: this will download source for various past versions of go
# x and z are the version number respectively
$ go get golang.org/dl/go1.x.zOnce you have fetched the repository you can see the various versions available in your $GOPATH
$ ls $GOPATH/src/golang.org/dl
AUTHORS go1.11.9 go1.13.15 go1.15.6
CONTRIBUTING.md go1.11beta1 go1.13.2 go1.15beta1
CONTRIBUTORS go1.11beta2 go1.13.3 go1.15rc1
LICENSE go1.11beta3 go1.13.4 go1.15rc2
PATENTS go1.11rc1 go1.13.5 go1.5.4
README.md go1.11rc2 go1.13.6 go1.6.4
codereview.cfg go1.12 go1.13.7 go1.7.6
go.mod go1.12.1 go1.13.8 go1.8
go1.10 go1.12.10 go1.13.9 go1.8.1
go1.10.1 go1.12.11 go1.13beta1 go1.8.2
go1.10.2 go1.12.12 go1.13rc1 go1.8.3
go1.10.3 go1.12.13 go1.13rc2 go1.8.4
go1.10.4 go1.12.14 go1.14 go1.8.5
go1.10.5 go1.12.15 go1.14.1 go1.8.6
go1.10.6 go1.12.16 go1.14.10 go1.8.7
go1.10.7 go1.12.17 go1.14.11 go1.8beta1
go1.10.8 go1.12.2 go1.14.12 go1.8beta2
go1.10beta1 go1.12.3 go1.14.13 go1.8rc1
go1.10beta2 go1.12.4 go1.14.2 go1.8rc2
go1.10rc1 go1.12.5 go1.14.3 go1.8rc3
go1.10rc2 go1.12.6 go1.14.4 go1.9
go1.11 go1.12.7 go1.14.5 go1.9.1
go1.11.1 go1.12.8 go1.14.6 go1.9.2
go1.11.10 go1.12.9 go1.14.7 go1.9.3
go1.11.11 go1.12beta1 go1.14.8 go1.9.4
go1.11.12 go1.12beta2 go1.14.9 go1.9.5
go1.11.13 go1.12rc1 go1.14beta1 go1.9.6
go1.11.2 go1.13 go1.14rc1 go1.9.7
go1.11.3 go1.13.1 go1.15 go1.9beta1
go1.11.4 go1.13.10 go1.15.1 go1.9beta2
go1.11.5 go1.13.11 go1.15.2 go1.9rc1
go1.11.6 go1.13.12 go1.15.3 go1.9rc2
go1.11.7 go1.13.13 go1.15.4 gotip
go1.11.8 go1.13.14 go1.15.5 internalTo install and use the past version of Go run:
# Installs to $GOPATH/bin/go1.x.z
$ go1.x.z download
$ ls $GOPATH/bin
go1.14 ... ...
... ... ...You can now run the past version of Go:
$ go1.14 version
go version go1.14 darwin/amd64Have fun!