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Installation prerequisites

Before you can build and use Osiris, you need to ensure your system meets the necessary requirements. The prerequisites differ between Windows and Linux platforms.

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Windows requirements

To build Osiris on Windows, you need:

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Microsoft Visual Studio 2022

Visual Studio 2022 is required with the Desktop development with C++ workload installed.
1

Download Visual Studio 2022

Visit the Visual Studio downloads page and download the Community, Professional, or Enterprise edition.
2

Install Desktop development with C++ workload

During installation, select the Desktop development with C++ workload. This includes the MSVC compiler, Windows SDK, and other required tools.
3

Verify installation

Ensure the installation completes successfully. You should be able to open Visual Studio 2022 and create C++ projects.
The project uses C++20 standard and requires MSVC compiler with Windows 10 SDK or later.

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Linux requirements

To build Osiris on Linux, you need the following tools:

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CMake

CMake 3.24 or newer is required to configure the build system. 
# Check your CMake version
cmake --version

# Install CMake on Ubuntu/Debian
sudo apt install cmake

# Install CMake on Fedora
sudo dnf install cmake

# Install CMake on Arch Linux
sudo pacman -S cmake

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C++ compiler

You need either:
  • g++ 11 or newer, or
  • clang++ 18 or newer
# Check your g++ version
g++ --version

# Install g++ on Ubuntu/Debian
sudo apt install g++

# Install g++ on Fedora
sudo dnf install gcc-c++

# Install g++ on Arch Linux
sudo pacman -S gcc

# Check your clang++ version
clang++ --version

# Install clang++ on Ubuntu/Debian
sudo apt install clang

# Install clang++ on Fedora
sudo dnf install clang

# Install clang++ on Arch Linux
sudo pacman -S clang
The project uses C++20 standard features, so older compiler versions may not work.

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Additional dependencies

For Linux injection, you’ll also need: 
# Install gdb for injection
sudo apt install gdb  # Ubuntu/Debian
sudo dnf install gdb  # Fedora
sudo pacman -S gdb    # Arch Linux

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System requirements

  • Operating system: Windows 10/11 (64-bit) or Linux (64-bit)
  • Architecture: x64 only
  • Game: Counter-Strike 2 (latest version on Steam)
  • Disk space: At least 500 MB for source code and build artifacts

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Next steps

Once you have the prerequisites installed:
  1. Build Osiris from source
  2. Load Osiris into CS2
Always use Osiris at your own risk. VAC detection may result in a permanent ban.

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