Question: is os x still supported?
Answer: Apple announced the launch of its new operating system, macOS 10.15 Catalina in October 2019. ... High Sierra was replaced by 10.14 Mojave, and the latest version,10.15 Catalina. As a result, we are phasing out software support for all computers running macOS 10.13 High Sierra and will end support on November 30th, 2020.