New 2018CC update is GARBAGE

Is my computer too outdated for this upgrade? Suggestion 1: let me know that before I download the "update" because right now nothing is working. Suggestion 2: Do your product testing on a different audience than your paying customers. This is garbage.

MacOs Sierra

  Model Name: MacBook Pro

  Model Identifier: MacBookPro12,1

  Processor Name: Intel Core i7

  Processor Speed: 3.1 GHz

  Number of Processors: 1