Did you enable ssh in the configuration?
This is the relevant howto:
https://flightaware.com/adsb/piaware/build/optional#wifi
Did you read this thread on a detailed putty explanation?
For Beginners - How-to SSH to RPi - Setup Putty in Windows
You also didn’t say what the problem with putty is?
Is it giving you a password prompt or nothing at all when you try to connect?