Just go to [releases on github](https://github.com/patrickomatic/csv-plus-plus/releases), download
the latest release, unpack it and put it in your $PATH.
To install from source check out the [csv++ repository](https://github.com/patrickomatic/csv-plus-plus)
and run:
```bash
cargo install --path .
```
This assumes you've [installed Rust](https://www.rust-lang.org/tools/install)