Apple had been using PowerPC processors in its products for 11 years when the move to Intel processors was announced.
At 2003's WWDC keynote address, Jobs unveiled a 詳細

At the time, a research director for Ovum Ltd. called the move "risky" and "foolish", noting that Intel's innovation in processor design is overshadowed … 詳細

A Mashable article in 2016 noted that the decision to switch to Intel processors gave many people who wanted a Mac, but couldn't commit to giving up Windows, a way to have both via … 詳細

• Hackintosh
• Star Trek project
• Universal binary
• Mac transition to Apple silicon 詳細

1980s
Apple's efforts to move to Intel hardware began in 1985. A proposal was floated after Jobs departed but was quickly disapproved by … 詳細

2005
During Apple's 2005 WWDC, the company introduced a Developer Transition Kit consisting of a prototype … 詳細

• June 6, 2005: Apple announced its plans to switch to Intel processors at the Worldwide Developer Conference and released a Developer … 詳細