Google/Bing free octave vst and you will find a number of them that will take a guitar down at least an octave. Note that I have no experience with any of these.

Another option is to record the guitar simulating a bass part then drop that part an octave.


The fitness trainer asked me, "What kind of a squat are you accustomed to doing?" I said, "Diddly."


64 bit Win 11 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware