Use the Nitro Portal: Nitro provides an online activation portal where you can enter your email address to recover your serial number.
Because the activation servers are dead, even "real" keys from other users will likely fail with a connection error. If you'd like, I can help you: Re-activating Nitro Pro 8 on new laptop Nitro Pro 8 Serial 318 WORK
Use the Nitro Portal: Nitro provides an online activation portal where you can enter your email address to recover your serial number.
Because the activation servers are dead, even "real" keys from other users will likely fail with a connection error. If you'd like, I can help you: Re-activating Nitro Pro 8 on new laptop