The 1883 translation by Sir Richard Francis Burton is recognized as an authoritative, public-domain English reference for the Kamasutra, available as a PDF from Burtoniana.org . For a more modern and accurate academic translation, the version by Alain Daniélou is highly regarded . Access the Burton translation at Burtoniana.org . The Vatsayayana Kama Sutra - Sir Richard Francis Burton
Illegal download sites offering a free are notorious for hiding viruses. Clicking the "Download Now" button often downloads a .exe file or a PDF with embedded tracking scripts. KamaSutra.pdf