There was a download of GuitarPort 2.51 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. GuitarPort.exe is the most common filename for this program's installer. This software is an intellectual property of Line 6.
We recommend checking the downloaded files with any free antivirus. This PC program is developed for Windows XP/Vista/7/8/10/11 environment, 32-bit version. GuitarPort lies within Multimedia Tools, more precisely Music Production. The most popular versions among GuitarPort users are 2.5, 2.0 and 1.1.
From the developer:
GuitarPort XT is much more than a superb front end for your recording applications—jam along to your favorite songs, build up your chops, improve your soloing skills or just jam for fun.
You may want to check out more software, such as PowerCore, Virtual Guitarist 2 or Voxengo LF-Max VST, which might be related to GuitarPort.