Below are easy install instructions by OS and Architecture. As always there are always the standard instructions in the README.md as well.
darwin
386 - darwin
# Export the sha256sum for verification.
$ export REG_SHA256="49982acecce3687f3b14990ae7372de66f7fe2955da8e75ed8442cdfc82a2b8a"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-darwin-386" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h
amd64 - darwin
# Export the sha256sum for verification.
$ export REG_SHA256="2768ac56ad640e8ee5b74752fc9bbeaf37f37a34c7e1ddcb6d0e384a3096b1c2"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-darwin-amd64" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h
freebsd
386 - freebsd
# Export the sha256sum for verification.
$ export REG_SHA256="7c6279817e9e80198303da6edc04b3b9858d9f55edaadd34d354d32079492f14"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-freebsd-386" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h
amd64 - freebsd
# Export the sha256sum for verification.
$ export REG_SHA256="5881cbad2e85a29cc7c2d352dc9eaf4ed03aa1542f2000047f4452c6c9f3ebf4"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-freebsd-amd64" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h
linux
386 - linux
# Export the sha256sum for verification.
$ export REG_SHA256="97ca5b3105ef32fcc124c362d87721af549da444f2bb4550f7a2ecd4c9206ebe"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-linux-386" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h
amd64 - linux
# Export the sha256sum for verification.
$ export REG_SHA256="ade837fc5224acd8c34732bf54a94f579b47851cc6a7fd5899a98386b782e228"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-linux-amd64" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h
arm - linux
# Export the sha256sum for verification.
$ export REG_SHA256="4a5a7300852991f6925ce329fe7adfb1415a80199c0ee558bc1d794ffc04c8fd"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-linux-arm" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h
arm64 - linux
# Export the sha256sum for verification.
$ export REG_SHA256="3dead33ae4e6c75e88fba86b0b6c5ef314c30733ba1d9b0866cd186646fffb7a"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-linux-arm64" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h
windows
386 - windows
# Export the sha256sum for verification.
$ export REG_SHA256="24b6a46dbe5760fe165a425a929c5a9a512210afd3153cdfd69d7012fdae1662"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-windows-386" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h
amd64 - windows
# Export the sha256sum for verification.
$ export REG_SHA256="23b2a4dd07c88552e98ac37c2cf2ce8fbbd4dc396cf6d1cc1743fa65a6d4565c"
# Download and check the sha256sum.
$ curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.1/reg-windows-amd64" -o "/usr/local/bin/reg" \
&& echo "${REG_SHA256} /usr/local/bin/reg" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/reg"
$ echo "reg installed!"
# Run it!
$ reg -h