I should first verify what this repack includes. Maybe it's a modified version of the Windows 7 USB 3.0 Creator that makes it easier to use, or adds necessary drivers for USB 3.0 that the original didn't include. I should also check if this repack is legal. If it's redistributing Microsoft's Windows 7, that could be an issue. But if it's modifying the installation media to include additional drivers, that might be allowed, but I should be careful.