Can someone how to get isos and where put it?

We Can Tell You Where To Put Them But Give Hell No That's Pirating and Im afraid Thats Against The Law

You can get linux ISO's for free such as debian or ubuntu, the windows 10 ISO is also free I believe you just need to install it with the right software. Here are some links for ISO's.
Ubuntu: https://ubuntu.com/download/desktop
Fedora: https://getfedora.org/
Debian: https://www.debian.org/distrib/

There is also WinWorldPC