µTorrent is an efficient and feature rich BitTorrent client for Windows sporting a very small footprint. µTorrent was designed to use as little cpu, space and memory as possible while offering all the functionalites expected from advanced clients. With BitTorrent, you can download files faster and contribute by sharing files and bandwidth. 

Changes in Version 1.8 beta (build 10054), 2008-05-08: 
- Feature: gui.log_date for logging date in Logger lines
- Feature: add 'complete', 'incomplete' and 'external ip' to internal tracker
- Feature: net.calc_overhead to add TCP/IP overhead calculation to rate measure
- Change: Merge General and Transfer tabs
- Change: send webui response as 'application/x-json'
- Change: log about invalid lines in ipfilter (in misc errors)
- Change: keep old computer ids, to reduce scam warning on valid ID switch
- Change: remove 0x8000 flag from peerid
- Fix: internal tracker
- Fix: give the Speed Guide a title
- Fix: ipfilter would not drop some peers on reload
- Fix: GDI memory leak when changing torrents
- Fix: several (minor) UPnP bugs when enabling/disabling and/or chaning the port
- Fix: Minor memory leak involving help file downloader
- Fix: GDI handle leak on resize
- Fix: grid lines on speed graph were off-by-one