YOU’LL NEED THIS
WINDOWS 10 OR 11
www.microsoft.com/en-us/software-download
is important. If you let things slip out of date, you risk becoming vulnerable to hackers and malware. You might also be missing out on useful new features in your favorite programs. Thankfully, keeping up is far easier today than it was a few years ago, thanks to automatic updates in Windows and Office and programs that check for new releases every time they start []. That said, anything that can simplify the process further is a bonus—which brings us to the concept of package managers. These tools help handle the job of installing and updating software. Package managers download bundles of code and descriptive data (or archives) from servers known as ‘package registries’. The archives are compiled by software developers, who can vouch for the integrity of their contents by attaching what’s known as a checksum. This is a long number that’s calculated by applying a mathematical equation to the code within the bundle. If anything within the bundle is changed, the equation
