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. With BitTorrent, you can download files faster and contribute by sharing files and bandwidth.

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

What's New in version 1.8 RC7 (build 11705):

• Feature: Downloaded column for Trackers tab
• Change: Return to 1.7 peer logging behaviour of turning the logging off when the logging tab menu is brought up and dismissed
• Change: advanced option for mapping only TCP port with UPnP (for broken routers)
• Change: Remove redundant error message when a torrent from the autoload folder is not loaded
• Fix: Do not bring window to front when "Activate the program window" under "When adding torrents" is not selected
• Fix: crash with very large copying Created By field
• Fix: enforce prio_first_last_piece with magnet URI downloads
• Fix: create folder for multi file torrents, with magnet URI downloads
• Fix: When an autoload directory is set more add torrent dialogs will not be shown until the current batch is closed

Download the Stable version. uTorrent 1.7.7.