Just as with any other computer, Macs are at risk of accumulating junk over time-leading to a drop in performance. What’s worse than a Mac taking ages to boot up? Maybe a slow response time-especially when you have a fast-approaching deadline? Or perhaps the dreaded, “ Your startup disk is almost full,” message that basically means the Mac will soon struggle to perform simple tasks? ** This post contains affiliate links and I will be compensated if you make a purchase after clicking on our links.