Downloading a "portable" version of 7 Days to Die Alpha 5 typically involves using Steam's built-in version control or specialized console commands. Since the game is now in full release (Version 1.0 as of July 2024), accessing such an early version requires specific steps. Method 1: Official Steam Betas (The Safest Way)
The Fun Pimps do not officially support a portable version, but you can request a DRM-free copy from GOG if they ever re-release the legacy builds (unlikely). 7 days to die alpha 5 download portable