You can verify that your Windows 10 version has it enabled by opening Windows Settings and navigating to Apps > Optional features and verifying that Open SSH Client is shown. If it is not installed, you may be able to do so by clicking Add a feature.

How do I find my OpenSSH version?

On Linux, we can use ssh -v localhost or ssh -V to check the OpenSSH version currently installed.

How do I know if OpenSSH is installed on Windows?

To install OpenSSH, start Settings then go to Apps > Apps and Features > Manage Optional Features. Scan this list to see if OpenSSH client is already installed.