This is simple enough:
git clone -b revanced-extended https://github.com/inotia00/rvx-builder.git --depth=1 --no-tags
cd rvx-builder
npm i
node .
Note that you need git and NodeJS >= 16 for this.
This is also simple:
git clone -b revanced-extended https://github.com/inotia00/rvx-builder.git --depth=1 --no-tags
cd rvx-builder
npm i
npx pkg -t linux-x64,macos-x64,win-x64 -C GZip .