11/12/08: We have updated the Character Builder installer to work with the 64 bit version of Windows Vista. If you previously downloaded the application and were getting an error on launch, you will want to:

• uninstall the previous failed Character Builder application
• install .NET 3.5 SP1 from Microsoft
• install any Windows Updates you have pending and reboot if necessary
• install the Character Builder

If this is your first time downloading the Character Builder application, you will want to:

• install .NET 3.5 SP1 from Microsoft
• install any Windows Updates you have pending and reboot if necessary
• install the Character Builder