Configuring which version of 3ds Max is used when you double click on a file in explorer

Open Regedit:

• Click Start
• Type regedit.exe

Find the associated key:

• Browse to HKEY_CLASSES_ROOT\3dsmax\Shell\Open\Command
• Double click on the (Default) entry
• Edit the path so it points to the 3dsmax.exe you’d like to use by default: “C:\Program Files\Autodesk\3ds Max 2015\\3dsmax.exe” “%1”
• Use quotes and keep the “%1”