High Sierra will be last macOS version to fully support 32-bit apps
As previously announced, Apple will end the 32 bit support. This means High Sierra will probably be the last operating system that supports 32-bit applications
Older games will therefore make it hard in the future as e.g The Sims 3, Sims 2 and The Sims Medieval, and Spore. The Sims 4 is not affected, this as a 64bit app.