Audacity is usually 64-bit on 64-bit Linux. It definitely is if you build from source code. (See: https://forum.audacityteam.org/t/building-audacity-2-4-2-on-ubuntu-20-04/57719/1)
Audacity is usually 64-bit on 64-bit Linux. It definitely is if you build from source code. (See: https://forum.audacityteam.org/t/building-audacity-2-4-2-on-ubuntu-20-04/57719/1)