If you're just getting started with Rust and would like a more detailed walk-through, see our getting started page.
Toolchain management withrustup
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. rustup manages these builds in a consistent way on every platform that Rust supports, enabling installation of Rust from the beta and nightly release channels as well as support for additional cross-compilation targets.
If you've installed rustup in the past, you can update your installation by running rustup update.
For more information see the rustup documentation.
PATH environment variable
In the Rust development environment, all tools are installed to the ~/.cargo/bin %USERPROFILE%\.cargo\bin directory, and this is where you will find the Rust toolchain, including rustc, cargo, and rustup.
Accordingly, it is customary for Rust developers to include this directory in their PATH environment variable. During installation rustup will attempt to configure the PATH. Because of differences between platforms, command shells, and bugs in rustup, the modifications to PATH may not take effect until the console is restarted, or the user is logged out, or it may not succeed at all.
If, after installation, running rustc --version in the console fails, this is the most likely reason.
If at any point you would like to uninstall Rust, you can run rustup self uninstall. We'll miss you though!
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