The most plausible explanation: The number gives it an air of authority and uniqueness, tricking users into downloading it over the vanilla 2.5.x releases.
: It typically targets Windows Vista through Windows 10/11 and Microsoft Office 2007 through 2021. microsoft toolkit 2500
4/5
There is never a need to run an untrusted executable like "Microsoft Toolkit 2500." The most plausible explanation: The number gives it