Windows 98 build 1387

Windows 98 build 1387 is a Developer Release build of Windows 98. Dr. Watson is present again in this build, providing a crash and bug detection utility for testers. This build is the first to use title bar gradients, but the toggle for it is only displayed if the attributes "Active Title Bar" and "Inactive Title Bar" are selected in Display Properties.

ACPI
ACPI support is in very early development and crashes easily. Turn off ACPI or setup can crash during hardware setup with a critical ACPI error