Most Mac users assume FileVault, SIP, XProtect, and the Secure Enclave are working. Checking them means hunting across four different places. Here is how to confirm in one glance.
Every app you install can quietly add itself to your startup. Nobody ever removes them. Here is what actually runs at login, why it slows your Mac down, and how to find the ones worth cutting.
You unplugged at 100%. Two hours later you are at 50% and you barely touched the keyboard. Something woke up and stayed awake. Here is how to find it.
Your MacBook seems to run out of charge faster than it used to — but is the battery actually worn, or was it just a heavy week? The hardware already knows. Here is how to read the answer.