Assuming you have already grabbed PuTTY, you can generate a key with PuTTY using the instructions below:

  1. Run puttygen.exe
  2. In the “Parameters” section select your encryption standard, I use SSH2 DSA. Press Generate.
  3. Move your mouse randomly in the small screen in order to generate the key pairs.
  4. Enter a key comment, which will serve to identify the key you are generating.
  5. Type in the passphrase and confirm it. The passphrase is a password and is used to protect your key. MAke sure oyu remember this password as you will be asked for it when you connect via SSH.
  6. Click “Save private key” to save your private key.
  7. Click “Save public key” to save your public key.