circleci :
There are three shells that you can use to run job steps on Windows:
PowerShell (default in the Windows Orb)
Bash
Command
Software pre-installed in the Windows image
<https://circleci.com/docs/2.0/hello-world-windows/#example-configuration-file>
https://crontab.guru/
https://osquery.io/
https://scoop.sh/