You can find the official installers for version 4.2.5 on the project's file repositories: Download - qBittorrent
is a legacy stable release of the open-source BitTorrent client, originally launched on April 25, 2020 . While it is no longer the "latest" version (the current stable release is 5.1.4 as of late 2025), it remains available for users who require specific compatibility with older operating systems or configurations. Download Links (Legacy 4.2.5) QBittorrent-4-2-5-Full-Version--64bit-86bit---Latest-