Downloaded “preactivated” software from unofficial sources is a common vector for malware, including keyloggers, ransomware, and backdoors. Attackers often bundle malicious code with cracked utilities.
The specific version you are looking for——was released in June 2014 . Optimization software from over a decade ago is not equipped to handle modern operating systems like Windows 11 or modern browser architectures like Edge Chromium. Using an obsolete version can: Miss critical junk files that modern versions catch.