Install on macOS

RAW75 isn't signed with a paid Apple Developer ID yet, so the first time you open it macOS blocks it with a message like “Apple could not verify Raw75 is free of malware”. That's Gatekeeper being careful with apps from outside the App Store. You only have to allow it once.

1. Pick the right download

Open the Apple menu › About This Mac. If it lists a Chip such as Apple M1, M2, M3 or M4, download Apple silicon. If it lists an Intel Processor, download Intel.

2. Extract it

Double-click the downloaded .tar.gz file. Finder extracts a folder named Raw75-osx-arm64 (or Raw75-osx-x64). You can move that folder anywhere, for example into Applications.

3. Allow it to open

Option A: System Settings

Open the folder and double-click Raw75. macOS shows a warning; click Done (or Cancel).
Open System Settings › Privacy & Security.
Scroll down to Security. Next to “Raw75” was blocked to protect your Mac, click Open Anyway.
Confirm with your password or Touch ID, then click Open Anyway once more.

RAW75 ships with a few libraries next to the app (such as LibRaw). If macOS shows the same warning for one of them, repeat these steps for it, or use option B, which clears them all at once.

Option B: one Terminal command

Open Terminal, then run this for the folder you extracted. It removes the download quarantine from RAW75 and its libraries, then starts it:

xattr -dr com.apple.quarantine ~/Downloads/Raw75-osx-arm64
~/Downloads/Raw75-osx-arm64/Raw75

Change the path if you moved the folder, and use Raw75-osx-x64 on an Intel Mac. Tip: type xattr -dr com.apple.quarantine and drag the folder into the Terminal window to fill in its path.

After the first launch, open RAW75 by double-clicking Raw75 as usual. It runs from a small Terminal window, so leave that window open while you edit.

Install on Windows

Download the Windows .zip and extract it (right-click › Extract All…).
Open the Raw75-win-x64 folder and double-click Raw75.exe.
If Microsoft Defender SmartScreen says “Windows protected your PC”, click More info, then Run anyway. This appears because the app isn't code-signed yet.

To find it easily later, right-click Raw75.exe and choose Pin to Start or Pin to taskbar.

Install on Linux

The Linux build is self-contained: .NET, LibRaw and GLFW are inside the archive, so there are no packages to install.

tar -xzf Raw75-linux-x64.tar.gz
./Raw75-linux-x64/Raw75

Add it to your app launcher (optional)

These commands move RAW75 to ~/.local/opt/raw75 and add a menu entry with its icon, so it shows up in GNOME, KDE Plasma and other desktops:

mkdir -p ~/.local/opt ~/.local/share/applications
mv Raw75-linux-x64 ~/.local/opt/raw75
cat > ~/.local/share/applications/raw75.desktop <<EOF
[Desktop Entry]
Type=Application
Name=RAW75
Comment=RAW photo editor
Exec=$HOME/.local/opt/raw75/Raw75
Path=$HOME/.local/opt/raw75
Icon=$HOME/.local/opt/raw75/assets/icon.png
Terminal=false
Categories=Graphics;Photography;
StartupWMClass=Raw75
EOF

RAW75 runs on both Wayland and X11 sessions.

Updates

RAW75 checks GitHub for new releases shortly after it starts, and again from time to time while it is open. When one is out, an Update button appears next to Settings. Click it to see what changed, then Update: RAW75 downloads the new version, replaces itself, cleans up the old files and restarts. Your edits, presets and settings are kept.

Requirements

System	Needs
Linux	A 64-bit (x64) distribution with glibc, such as Ubuntu, Fedora, Debian, Arch or openSUSE.
Windows	Windows 10 or 11, 64-bit (x64).
macOS	A recent version of macOS on Apple silicon or Intel.
Graphics	OpenGL 3.2, or OpenGL ES 2.0 or later. Integrated graphics are fine.

Something not working? Open an issue or ask on GitHub Discussions.

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