You can get Scroll with several ways.
You can download a release that suitable your system on github.
If rust is installed, you can build the project from source.
To do so, you have to clone the repository to your machine and compile it.
git clone https://github.com/metinUr/scroll.git
cd scroll
cargo build --release
This will create executable under target/release folder.
If rust is installed, you can also install scroll from crates.io.
cargo install scroll-ssg