Tandy TRS-80 Model 4D computer overview & software

A look at the final member of the Radio Shack TRS-80 series of computers, the Tandy Model 4D, sold from 1985 until at least 1990 (possibly even later). Its unique all-in-one form factor was a favorite of schools and businesses. The inclusion of Deskmate also made it one of the first computers to come with e-mail capability!