The 3DS Max\3DS Max Design product update 1 has been released. Click on this link to download either the 32 or 64 bit update 1 for 3ds Max/3ds Max Design 2013. As always read the release notes for update 1 so you can verify it will fix your issues or if you are to have anything else installed first by click here Autodesk 3ds Max/3ds Max Design 2013 Release Notes.
If you have any installation issues please visit our website http://imaginit.com/support
Additional blogs on the Support website can also help guide you as well. http://imaginit.com/Knowledge-Resources/Blogs