The search engine application Safari experiences the biggest update yet, to increase security and power.īoth Maps and Messages get several new features each to make them more powerful and convenient, as well as more transparent about where your private information is going and where it is stored. Another goal for the Big Sur update is to make the interface that you interact with sleek and modern. The Big Sur update is meant to take all the programs on your Mac and elevate them to run better and with higher security and protection. To start, let’s first make sure you understand what the macOS Big Sur update is, and what it is supposed to do for your Mac or MacBook. Let’s get into the details of what the Big Sur update is, why your Mac is running so slow, and how you can fix it! If you have just updated your Mac with the Big Sur software update and you are experiencing slower speeds while booting up your Mac, you might be sitting there, scratching your head wondering “Why is my Mac so slow? I just updated it!”ĭo not fear! In this article, you will get answers to questions like why is Big Sur slow? Why is my Mac slow after Big Sur update? And, of course, get several tips and tricks to make your Mac run faster.