Ubuntu for Beginners Guide_From Tech Gumbo
Ubuntu is a free and open-source operating system and Linux distribution based on Debian. Ubuntu is offered in three official editions: Ubuntu Desktop for personal computers, Ubuntu Server for servers and the cloud, and Ubuntu Core for Internet of things devices and robots.
You can Download Ubuntu desktop and replace your current operating system whether it’s Windows or Mac OS, or, run Ubuntu alongside it.
Official Documentation - Link
Download Link - https://www.ubuntu.com/#download
Further Read - https://www.a2zweb.net/blog