- It's an executable, not a full-fledged program intended to replace your Anti-virus software.
- It self-destructs* after 10 days unused from the download.
*Maybe not self destruct, but it will render itself inoperable. Threats change all the time, even 10 days could make it outdated!
It took quite a long time, and slowed my PC to a crawl. Best to use it overnight, if possible. It concluded, and listed the removed software.
You can download the latest version here.