How do I update my QW with a maintenance release? Maintenance releases of the Quality Window products are placed on the Busitech.com Website periodically. All maintenance releases are free of charge to registered users of the Quality Window Products. It is important that all users at a site are using the maintenance release of the product. Before updating your version you should verify with your site coordinator. To check if there is a newer version of Quality Window available: In Quality Window: Click Help Select Check for Updates Note that if the ‘Check for Updates’ item is not available, then your company may have disabled the option. The latest version of Quality Window can also be downloaded manually.