Because it can be compromised and spread malware to you.
Pirated 3DMark benchmark tool delivering info-stealer malware (bleepingcomputer.com)
Just don’t do it. If you need a utility for free, try this site:
PortableApps.com – Portable software for USB, portable, and cloud drives
I do not guarantee the security of any of the offered software, however I do use a selection of these apps, that are installed in my OneDrive and on a USB drive. If you use Notepad++, then I highly recommend this version – you never lose your tweaks and preferences when you change computers.
Notepad++ Portable (development text editor) | PortableApps.com
Please Note:
I am on leave so the news this week is “in brief”. You can still contact me via the contact page and Octagon Technology.