The following commands are provided for manual installation of the toolchain from these precompiled binaries.
sudo tar -xzf riscv-gnu-toolchain-2022-09-21-Darwin-arm64.tar.gz --directory /opt
sudo tar -xzf riscv-gnu-toolchain-2022-09-21-Darwin-x86_64.tar.gz --directory /opt
sudo tar -xzf riscv-gnu-toolchain-2022-09-21-Ubuntu-22.04.tar.gz --directory /opt
sudo tar -xzf riscv-gnu-toolchain-2022-09-21-Ubuntu-20.04.tar.gz --directory /opt