Microsoft announced it was bringing an integrated OpenSSH client to Windows in 2015. They’ve finally done it, and an SSH client is hidden in Windows 10’s Fall Creators Update. You can now connect to an Secure Shell server from Windows without installing PuTTY or any other third-party software.
Update: The built-in SSH client is now enabled by default in Windows 10’s April 2018 Update. Here’s how to get the update if you don’t already have it on your PC.