Pirated versions cannot be updated, meaning you lose out on critical bug fixes and the 2.5+ DLC updates that improve performance.
While it's tempting to click a third-party download link, these sources are often unregulated. Major risks include: Clickteam Fusion 2.5 Developer Download Mediafire
Downloading executable software from unverified sources is a primary vector for malware. Pirated versions cannot be updated, meaning you lose