Native Instruments Guitar Rig 3 is a powerful software amp and effects processor for guitar and bass. If you're looking to download and start using Guitar Rig 3, here's what you need to know:

Because it is old, it runs incredibly light on modern processors. You can run dozens of instances without breaking a sweat. The Verdict

You will need your original 25-digit serial number found in your product box or NI account.

The most critical question is interoperability with modern Digital Audio Workstations (DAWs).