rustup is an installer for
the systems programming language Rust

If you are running Unix,
run the following in your terminal, then follow the onscreen instructions.

curl https://sh.rustup.rs -sSf | sh

If you are running Windows,
download and run rustup‑init.exe then follow the onscreen instructions.

Need help? Ask on #rust-beginners.

rustup is an official Rust project.
other installation options  ·  about rustup