We hope you are doing well.
To access the vm through putty just you have to type the ipaddress of the vm in place of hostname.
For eg - > Ipaddress of my vm is 192.168.1.144
Open putty software and type the ipaddress in place of Host name and then click on open
Below screen will be popped up in your screen.
Enter the username from which you have to login, in my case it's edureka and after that type the password of that username.
Finally we will access your vm through putty.
Feel free to contact us in case you have any query.