Upcoming Special Issues: Return to Top Installation Instructions This hotfix is available in 32bit and 64bit versions downloaded together as one bundle and is only applicable to Autodesk Inventor Service Pack 2 with Vault Update 2. Inventor will not install on computers that do not support SSE2. The system must meet the following requirements: It is strongly recommended that you read this entire document before you apply the update to your product. Issue Inventor unexpectedly exits after updating to Windows 8. This document contains the latest information regarding the installation and use of this update.