An alternative to putty on windows is to get the entire Git SCM package[1]. You get not just git, ssh and sftp but many other useful command line tools too.
[1]: https://git-scm.com/
[1]: https://git-scm.com/
Of course, if you don't like the rendering/look/customization of the default PowerShell window, you can also grab Windows Terminal: https://www.microsoft.com/en-us/p/windows-terminal/9n0dx20hk...