If you absolutely require the standalone offline installer for an older operating system (like Windows 7 or Windows 8.1), turn to community-vetted digital archives rather than torrent trackers:
Software downloaded via torrent is a primary vector for malware. Studies show that over on torrent platforms contain malicious or misleading content. Cybercriminals actively hide Trojans and spyware inside torrent files that appear legitimate. Even the most trusted torrent clients are not immune; a severe vulnerability existed in the popular qBittorrent client for over 14 years, allowing remote code execution and putting millions of users at risk. Once installed, malware can: internet explorer 11 torrent