if my maintenance expiration date 31 oct 2011 I can install X6, but can I update it to MU1?

Hello What I need to do to open SolidWorks 2012 x64 in X5? When I trying to open SolidWorks 2012 x64 file in X5, X5 writes "Cannot find Parasolid data in SolidWorks file"

first of all interesting secondly have alternate possibility to work thirdly take a look at x6 (not right now) with hope what in sp1 mostly problems will be fixed and should I be thinking about renewing my maintenance

its an answer or what how understand your nevermind?

Hello I have a question if I understood right X6 release date is 31 of October 2011 and my maintenance expiration day is 31 oct 2011 does it mean that I can update to x6?

Hello It is not possible? or if possible then how to attach holder from library to tool in surface rough and surface finish operations? Thanks in advance

What does this error mean?

It simply was as example Mr. Wizzard. "Use surfaces in stead of solid faces, only way to get it the way you want in X4" JParis in X5 it will work in another way?

Hello Have a problem with Show function when want to see Drive or Check surfaces during surface tool path. When I mark Drive and Check surfaces and want to see them separately pressing Show button it shows me Check and Drive surfaces together, how I can fixed it? Thanks in advance