Install

Install Rust

$ curl --proto '=https' --tlsv1.2 https://sh.rustup.rs -sSf | sh

download rustup_init:

https://static.rust-lang.org/rustup/dist/x86_64-pc-windows-msvc/rustup-init.exe

more see rustup doc

https://rust-lang.github.io/rustup/

more

More rust doc book-installation

rustup update

delete rustup

rustup self uninstall

'when error'

git clone https://github.com/rust-lang/rustup 
cargo build --release
mv ./target/release/rustup-init.exe rustup
...

rustup show

rustup check

rustup doc

rustup target list

cargo new project_name

cargo new --lib project_name

rustup doc --cargo

Then to start using Rust.

rustc cargo rustup