Here's some advice based on my own experiences and observations:
Whatever distro you pick, stick with it for a while (I'd say at least three months of regular use) until you get the hang of how Linux works. Then, if you wish to try additional distros, you will have some background.
On the desktop, using Linux is not much different than using Windows, at least as regards the distros that you have been considering: You click on icons or the menu to start programs, then use the programs. The layout of the desktops and menus and the names of the programs may be different, but they will function in similar ways.
Don't be afraid to use the help files. You can also search YouTube for various programs and desktops and find video tutorials on how to use them. A web search can also be very useful, especially when you include the word "Linux" or the name of your distro in the search string. Most distros have documentation sections on their websites. The Arch wiki
, in particular, can serve as an excellent general-purpose resource.
Under the hood, Linux is very different; the file structure, file naming conventions, installing and uninstalling programs (in Linux, they are called "packages"), etc., are different. Expect Linux to be different and don't ask questions about, "Why is Linux different from Windows?" (The answer to that is that Linux comes from the Unix tradition, and Windows comes from DOS; they have different bloodlines and different DNA.)
Expect that, when you ask for help in a technical forum such as this one, you will be asked to run commands on the command line to provide information. That is because there are many different desktop environments and window managers for Linux and different GUI tools for doing administrative tasks, but the command line is the same on all distros--it is the lowest common denominator among the many different distros, Linux's Babelfish, if you will.