Software Reviews : Visual Basic 4.0, Professional Version Publisher: Microsoft Corporation, One Microsoft Way, Redmond, WA 98052-6399; telephone : 1-800-621-7930. Year of Publication: 1996 Version Reviewed: 4.0 Price: $429.00 Materials: Manual, CD-ROM, 3.5-inch floppy disks available at no charge Machine Specificity: Windows PC System Requirements: 386DX/25 PC or higher processor (486 or higher recommended), Microsoft Windows 95, Windows NT Workstation 3.51 or later, or Windows 3.1 (requires MS-DOS version 5.0 or later operating system), 6 MB of available memory (8 MB or more recommended) if using Windows 95 or Windows 3.1; 16 MB if using Windows NT Workstation. Available hard-disk space: Minimum installation: 20 MB, Complete installation: 70 MB, A CD-ROM drive (3.5-inch high-density disks available for no charge via an in-box coupon). Effectiveness: Excellent User Friendliness: Excellent Documentation: Excellent