How To Find My Nitro Pro Serial Number [better] (SIMPLE · 2025)

In very old versions, the serial number might be found in the Windows Registry at HKEY_LOCAL_MACHINE\SOFTWARE\Nitro\Pro\Version . However, this was removed in version 13 and newer builds of version 12 to prevent theft.

If Nitro Pro is installed but you can’t open it, you may find the serial in the Registry: how to find my nitro pro serial number

If you bought a physical copy (CD/DVD):

| Method | Requires | Reliability | |--------|----------|-------------| | Inside Nitro Pro | Installed & working | High | | Nitro account online | Registered email/password | High | | Email search | Access to old emails | Medium | | Windows Registry | Installed on PC | Medium | | Physical box/sticker | Retail copy | High | | License key finder | Installed but hidden | Medium | | Nitro Support | Proof of purchase | High | In very old versions, the serial number might

Losing that key can feel like losing a $159 check. But don’t panic. Whether you have the software installed or not, there are several reliable methods to retrieve your 20-character alphanumeric code. But don’t panic

The fastest way to find your serial number is to search your email inbox. When you first purchased Nitro Pro, an automated confirmation email was sent to you containing your license key.