On Windows, we can use Chocolatey, which is a software package manager. Chocolatey is a free public package manager, like NuGet or npm, but dedicated to software. It is widely used for the automation of software on Windows servers or even local machines. Chocolatey's official website is here: https://chocolatey.org/, and its installation documentation is here: https://chocolatey.org/install.

Once Chocolatey is installed, we just need to run the following command in PowerShell or in the CMD tool:

choco install packer -y

The following is a screenshot of the Packer installation for Windows with Chocolatey:

The execution of choco install packer -y installs the latest version of Packer from Chocolatey.