Download Ubuntu desktop and replace your current operating system whether it's Windows or macOS or run Ubuntu alongside it.
Do you want to upgrade? Follow our simple guide
Enable Ubuntu on Windows Subsystem for Linux (WSL) ›
Whether you want to configure a simple file server or build a fifty thousand-node cloud, you can rely on Ubuntu Server and its five years of guaranteed free upgrades.
Ubuntu is the reference OS for OpenStack. Try Canonical's OpenStack on a single machine or start building a production cloud on a cluster — just add servers.
Ubuntu flavours offer a unique way to experience Ubuntu with different choices of default applications and settings, backed by the full Ubuntu archive for packages and updates.
Are you a developer who wants to try snappy Ubuntu Core? The new, transactionally updated Ubuntu for clouds and devices.