Below are the available downloads for the latest version of Terraform (0.11.9). Please download the proper package for your operating system and architecture.
You can find the SHA256 checksums for Terraform 0.11.9 online and you can verify the checksums signature file which has been signed using HashiCorp's GPG key. You can also download older versions of Terraform from the releases service.
Check out the v0.11.9 CHANGELOG for information on the latest release.