There is no means to update from SP3.0 to SP3.1, because - {# X$ m ]( x9 z4 {
+ S8 Z6 M, I4 E$ J+ x"Please note that the only difference between SolidWorks 2008 SP3.0 and SP3.1 is production support for Microsoft Windows Vista 64-bit, so it is not necessary for customers on other operating systems to download this Service Pack. "