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FastPack is available for all major platforms. Choose your preferred installation method below.

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Platform installers

The easiest way to get started is to download the installer for your platform from the GitHub releases page.

Windows

Download fastpack-windows-x86_64.msi

macOS (Apple Silicon)

Download fastpack-macos-aarch64.dmg

macOS (Intel)

Download fastpack-macos-x86_64.dmg

Linux

Download fastpack-linux-x86_64.tar.gz

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Windows installation

1

Download the MSI installer

Get fastpack-windows-x86_64.msi from the releases page
2

Run the installer

Double-click the .msi file and follow the installation wizard
3

Verify installation

Open Command Prompt or PowerShell and run:
fastpack --version

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macOS installation

1

Download the DMG

Download the appropriate DMG for your Mac:
  • Apple Silicon (M1/M2/M3): fastpack-macos-aarch64.dmg
  • Intel: fastpack-macos-x86_64.dmg
2

Install the application

Open the DMG and drag FastPack to your Applications folder
3

Verify installation

Open Terminal and run:
fastpack --version
On macOS, you may need to allow the app in System Preferences > Security & Privacy if you see a warning about an unidentified developer.

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Linux installation

1

Download the tarball

Get fastpack-linux-x86_64.tar.gz from the releases page
2

Extract the archive

tar -xzf fastpack-linux-x86_64.tar.gz
3

Move to system path

sudo mv fastpack /usr/local/bin/
4

Verify installation

fastpack --version

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Install from crates.io

If you have Rust installed, you can install FastPack directly from crates.io: 
cargo install fastpack
FastPack requires Rust 1.85 or later. Update your Rust installation with rustup update if needed.

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Advantages of cargo install

  • Always get the latest version
  • No need to download platform-specific installers
  • Easy to update with cargo install fastpack --force
  • Works on any platform where Rust is available

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Building from source

For development or if you want to build from the latest source:
1

Clone the repository

git clone https://github.com/Hexeption/FastPack
cd FastPack
2

Build with cargo

cargo build --release -p fastpack
3

Find the binary

The compiled binary will be located at:
target/release/fastpack
Building from source requires Rust 1.85 or later and may take several minutes depending on your system.

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System requirements

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Minimum requirements

  • Operating system: Windows 10+, macOS 11+, or modern Linux distribution
  • RAM: 2 GB (4 GB recommended for large atlases)
  • Disk space: 50 MB for installation

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For building from source

  • Rust: 1.85 or later
  • Cargo: Included with Rust installation
  • Build tools: Platform-specific C++ compiler (MSVC on Windows, Clang/GCC on Linux/macOS)

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Verifying your installation

After installation, verify FastPack is working correctly: 
fastpack --version
You should see output similar to: 
fastpack 0.29.3

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Updating FastPack

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Platform installers

Download and install the latest version from the releases page. The new version will replace the old one.

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Cargo installation

Update to the latest version with: 
cargo install fastpack --force

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Uninstalling

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Windows

Use “Add or Remove Programs” in Windows Settings to uninstall FastPack.

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macOS

Drag FastPack from your Applications folder to the Trash.

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Linux or cargo install

# If installed via cargo
cargo uninstall fastpack

# If installed to /usr/local/bin
sudo rm /usr/local/bin/fastpack

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Getting help

If you encounter issues during installation:
  • Check the GitHub Issues for known problems
  • Open a new issue if your problem isn’t already reported
  • Join the community discussions for help

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Next steps

Quick start guide

Now that FastPack is installed, pack your first texture atlas

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