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Getting Started on Windows

If you are trying to set up a Windows computer to build Substrate, do the following:

  1. Download and install "Build Tools for Visual Studio:"

    • You can get it at this link: https://aka.ms/buildtools.
    • Run the installation file: vs_buildtools.exe.
    • Ensure the "Windows 10 SDK" component is included when installing the Visual C++ Build Tools.
    • Restart your computer.

  2. Install Rust:

    • Detailed instructions are provided by the Rust Book.

      • Download from: https://www.rust-lang.org/tools/install.

      • Run the installation file: rustup-init.exe.

        Note that it should not prompt you to install vs_buildtools since you did it in step 1.

      • Choose "Default Installation."

      • To get started, you need Cargo's bin directory (%USERPROFILE%\.cargo\bin) in your PATH environment variable. Future applications will automatically have the correct environment, but you may need to restart your current shell.

  3. Run these commands in Command Prompt (CMD) to set up your Wasm Build Environment:

    rustup update nightly
rustup update stable
rustup target add wasm32-unknown-unknown --toolchain nightly

  4. Install LLVM: https://releases.llvm.org/download.html

  5. Install OpenSSL with vcpkg:

    mkdir C:\Tools
cd C:\Tools
git clone https://github.com/Microsoft/vcpkg.git
cd vcpkg
.\bootstrap-vcpkg.bat
.\vcpkg.exe install openssl:x64-windows-static

  6. Add OpenSSL to your System Variables using PowerShell:

    $env:OPENSSL_DIR = 'C:\Tools\vcpkg\installed\x64-windows-static'
$env:OPENSSL_STATIC = 'Yes'
[System.Environment]::SetEnvironmentVariable('OPENSSL_DIR', $env:OPENSSL_DIR, [System.EnvironmentVariableTarget]::User)
[System.Environment]::SetEnvironmentVariable('OPENSSL_STATIC', $env:OPENSSL_STATIC, [System.EnvironmentVariableTarget]::User)

  7. Finally, install cmake: https://cmake.org/download/

You can now jump back to Get the Source to learn how to download and compile Substrate!