https://forums.autodesk.com/t5/autocad-forum/2016-installation/m-p/5629517#M328887 <BLOCKQUOTE><HR />@Anonymous wrote:<BR /> <P>My operating system is Windows 64bit.</P> <P>&nbsp;</P> <HR /></BLOCKQUOTE> <P>Good that you figured it out - but I must also point out that is an incomplete answer.&nbsp; Windows 7? Windows 8?</P> <P>&nbsp;</P> <P>I always disable anti-virus and UAC during install.</P> <P>I like the Browser Download method as I can then loan out my USB to students who have trouble with the download.</P> <P>They simply use their personal serial number for the install.</P> Mon, 11 May 2015 13:03:50 GMT JDMather 2015-05-11T13:03:50Z