If you are upgrading from 5.x to this release, read the following material to see what changes may affect you.
HTBasic no longer requires the use of a hardware key; it now uses a software solution for protection against unauthorized reproduction. There is a serial number provided in the packaging that is required to be input during installation. Proper installation requires the correct serial number.
Other changes to Version 6.0 include enhancements to the SERIAL32 device driver, including:
Support for STATUS register 5, which is the Read hardware handshaking, output line
Support for STATUS register 11, which is the Modem Status line
