when will ventura be compatible on MacBook Air (Early 2015)

wright2000 wrote:

Please when will ventura be compatible on MacBook Air (Early 2015)?

Never. Macs capable of running Ventura include:

macOS Ventura is compatible with these computers - Apple Support

According to Apple's webpage for Ventura, it is only compatible with the 2018 and later MacBook Air. They won't add support later on for older models.