Verify that you installed the OpenSSH Server feature.
Verify that the OpenSSH services are running and set to automatic startup,
Verify that the service is listening on port 22 on any IP address.
C:\>netstat -aon | findstr -i listen | findstr :22
TCP 0.0.0.0:22 0.0.0.0:0 LISTENING 35008
TCP [::]:22 [::]:0 LISTENING 35008
Verify that the Windows firewall rules allow access.
If you still can't connect, then you will need to provide details about your network. Use Powershell's Test-Connection to see if port 22 can be accessed.