Manual trigger in circleci

C:\Users\sanga>choco install circleci-cli -y
‘choco’ is not recognized as an internal or external command,
operable program or batch file.

Do you have chocolatey installed, as this is a third party package manager for Windows?

The CircleCI docs here do a poor job of making it clear that you have to install the tool yourself

They do include a HTTP based link to the tool’s website.