The safest path is the official legacy support portal.
Before installing, right-click the downloaded ZIP or EXE file and scan it with your antivirus (Windows Defender is sufficient). Zero threats should be found. If your AV flags it as a "PUP" (Potentially Unwanted Program), it is likely a cracked version – abort installation. service tool v4720 download verified
You may have v4720 for a different chipset. Double-check your hardware revision ID (VID/PID) using Device Manager. Many v4720 builds are controller-specific (e.g., for the S4LJ controller, not the S4LN). The safest path is the official legacy support portal