Steam Mover is a popular, free third-party Windows utility created to easily relocate installed video game files and applications from one storage drive to another without breaking their functionality. Originally developed by Paul Traynier, it was primarily designed for PC gamers who want to move heavy game files from a small primary Solid State Drive (SSD) to a larger secondary Hard Disk Drive (HDD)—or vice versa—without having to redownload anything. How it Works Under the Hood
Instead of relying on the gaming client itself, Steam Mover relies on core Windows operating system commands:
File Transfer: It physically copies the selected application or game folder to the new designated drive using standard Windows commands.
Junction Points: It deletes the original folder and replaces it with a Junction Point (a specific type of symbolic link).
The Result: To the Steam client or Windows OS, the files appear to still exist in their original location on the C: drive, but the actual storage data is read from and written to the new destination drive. Key Features
Versatility: While named after Steam, it can be used to redirect almost any folder on an NTFS drive, including games from Origin, the Epic Games Store, or heavy software like Adobe Illustrator.
Portable Software: The app runs as a single lightweight .exe file that requires no formal installation and leaves no traces or clutter in the Windows registry.
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