Last year, the ROS web page was updated with a new design and a new organization of contents. The following is a screenshot of the web page:
In the menu, you can find information about ROS and whether ROS is a good choice for your system. You can also find blogs, news, and other features.
Instructions for ROS installation can be found under the Install tab in the Getting Started section.
ROS recommends that you install the system using the repository instead of the source code, unless you are an advanced user and you want to make a customized installation; in that case, you may prefer installing ROS using the ...