Helping people with computers... one answer at a time.
Perhaps the most popular Linux distribution, Ubuntu is a popular choice for those trying out Linux, those attempting to extend the life of older machines ... and even those running servers on the internet.
Ubuntu or other Linux distributions with lower resource requirements are often excellent ways to extend the life of a computer that's not up to running current versions of Windows.
If a Ubuntu partition can't be accessed by Windows, it may be in a different format. I'll show you how to access that partition and see if it is configured so Windows can use it.
Ubuntu is not just for nerds; it operates somewhat like Windows and can be used by anyone, but it won't run Windows Update.
What's most important is whether Ubuntu Linux will meet your needs; whether it will have software that does the things you need it to do.
Ubuntu is a good operating system, depending on what you are wanting to do with your computer... and there is a way to try it without making any changes to your computer!