High. These tools are frequently used by cybercriminals to distribute malware, including trojans, backdoors, and ransomware. Many versions require you to disable antivirus software to run, which leaves your system completely vulnerable during the process.
To minimize risks, users should:
Some "exclusive" toolkits offer activation for various versions of Windows and Office. The Hidden Dangers of Using Unauthorized Toolkits microsoft office 2016 activator toolkit exclusive