Short description of Internet Download Optimizer 4.10: IDO can accelerate your downloads by up to 200% with a new TCP/IP optimization logic. Its wizard determines your OS and guides you through a number of steps to achieve better Internet performance. It currently supports Win95/98/ME/NT/2000 and optimizes MTU, MSS, buffer sizes and other settings for a given host automatically. You can also tweak the registry settings manually and restore original ones if you find any problems with them.