The following announcement comes from EA David
Earlier this year, Apple announced plans to phase out support for 32-bit applications with their new macOS, Catalina. Due to this change, we will be releasing an updated version of The Sims 3 that will be compatible with the new macOS, The Sims 3 (64-Bit & Metal). We will also be making all DLC content available in this new format, as well.
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