C:/Program Files/Maxon ZBrush 2026/ZData/ZPlugs64/
If you are struggling to get the tool up and running, here is the breakdown of the ZBuilder 4 download fix and the necessary installation workarounds. zbuilder 4 download fix
If WinRAR fails, use 7-Zip’s “Keep Broken” option: use 7-Zip’s “Keep Broken” option: