The first commercially available personal computer was the Altair 8800, released in 1975. Designed by MITS, it utilized an Intel 8080 microprocessor and came as a kit for enthusiasts to assemble. The Altair generated significant interest, paving the way for future personal computers. It sparked the famous partnership between Microsoft and IBM, leading to the widespread adoption of PCs in homes and businesses. Its introduction marked a pivotal moment in computing history, influencing personal computing culture.