You can log in to the My Account section on the official Native Instruments website to view a complete list of your registered serials and downloads.
If you are looking for a serial number, the only legitimate and safe way to obtain one is through an official purchase or by finding the key associated with your existing Native Instruments account. How to Find Your Legitimate Serial Number Guitar Rig 5 Serial Number
If you already own the software but cannot find your credentials, you can retrieve them through the following official channels: You can log in to the My Account
Guitar Rig 5 is a 32-bit and 64-bit hybrid built for older operating systems (Windows 7 / macOS 10.12). Modern OSs can block the installation. Modern OSs can block the installation
This is the tricky part. Native Instruments has officially discontinued Guitar Rig 5. They no longer sell it on their website. You cannot buy a new, boxed copy from major retailers like Sweetwater or Thomann.
This is the centralized management tool for all Native Instruments products. Log in with your account, and your registered serial numbers will be listed under the "Installed products" or "Not installed" tabs.
To find or manage your serial number, you should use the official Native Access management tool provided by Native Instruments . Where to Find Your Serial Number