The cloud is a software platform with rich software resources. Use software in the cloud, no installation, one point, download, direct use. The cloud provides a virtualized operating environment for software, which can keep the system clean and green for a long time. For software virtual registry, file IO, and so on, to avoid software installation, use, and uninstall caused by the system pollution. Software want to use, not afraid of garbage pollution; No need. One click to delete, quick and traceless. The cloud helps you achieve total greening.