How to upgrade from Beta 1 ?
From Start -> Settings -> Control Panel , Double Click Add or Remove Programs
Locate devefor setup from Change or Remove Programs Menu and click Remove

Follow instructions to remove devefor beta 1 setup
Double Click your newly downloaded deveforSetup.msi file and follow instructions to install dev \ efor
Don't worry... You won't loose any data you have when you uninstall beta 1 release. You will continue to use them with beta 2 release