Navigate to the following path: HKEY_LOCAL_MACHINE\SOFTWARE\Nitro\Pro\10

Look for a string value (REG_SZ) named . The value data will be your 18-digit license key. 3. Use Nitro’s Support Tools

If Nitro Pro 10 is still installed on an old PC that boots up, you do not need a "finder" that scans the web. You need a local registry reader.

: If you created an account, you can try logging into the Nitro Support Portal to see if your license is listed under your purchase history. 2. Locate the Key in the Windows Registry