µTorrent is an efficient and feature rich BitTorrent client for Windows sporting a very small footprint. It was designed to use as little cpu, memory and space as possible while offering all the functionality expected from advanced clients.
Main Features: - Multiple simultaneous downloads - Smart bandwidth usage - File level priorities - Configurable bandwidth scheduling - Global and per-torrent speed limiting - Quickly resumes interrupted transfers - UPnP support (WinXP only) - Supports popular protocol extensions - Localized to different languages - Typical memory use less than 4 MB - Incredibly small