There are some previous BrainVoyager versions on the download server to which the link is no longer available on the BrainVoyager website.
You can download some of them here (latest update 22-May-2024):
BrainVoyager 23.0
Windows: 64bit 23.0
Mac: x86_64
Linux: Ubuntu 20.04 64 bit
BrainVoyager 22.4.4
Windows: 64bit 22.4.6
Mac: 64bit
Linux: Ubuntu 18.04 64bit
BrainVoyager 22.2.2
Windows: 64bit
Mac: 64bit
Linux: Ubuntu 18.04 64bit
BrainVoyager 22.0.0
Windows: 64bit
Mac: 64bit
Linux: Ubuntu 18.04 64bit
BrainVoyager 21.4.5
Windows: 64bit
Mac: 64bit
Linux: Ubuntu 16.04 (64bit)
BrainVoyager 21.4.0
Windows: 64bit
Mac: 64bit
Linux: Ubuntu 16.04 (64bit)
BrainVoyager 21.2.0
Windows: 64bit
Mac: 64bit
Linux: Ubuntu 16.04 (64bit)
BrainVoyager 21.0.0
Windows: 64bit
Mac: 64bit
Linux: Ubuntu 16.04 (64bit)
BrainVoyager 20.6.2
Windows: 64bit Python64bit
Mac: 64bit
Linux: Ubuntu 14.04 (64bit)
BVQX 3.6.2
Windows: 64bit Python64bit
Mac: 64bit
Linux: Ubuntu 14.04 (64bit)
BrainVoyager 20.6
Windows: 64bit Python64bit
Mac: 64bit
Linux: Ubuntu 14.04 (64bit)
BVQX 3.6
Windows: 64bit Python64bit
Mac: 64bit
Linux: Ubuntu 14.04 (64bit)
BrainVoyager 20.4
Windows: 64bit Python64bit
Mac: 64bit
Linux: Ubuntu 14.04 (64bit)
BVQX 3.4
Windows: 64bit Python64bit
Mac: 64bit
Linux: Ubuntu 14.04 (64bit)