SolidWorks 2012 PR1 is available for download, please go to the download site (customer portal) to install 2012 PR1. You need to be on subscription to download this pre release of SW2012.
If you want to submit any SW 2012 PR1 issues, please remember to select ‘PR1’ from the service pack pull down. Please note that there are no contests for the ‘Pre Release’ releases. So no points will be rewarded for submitted issues.