NOTE: you may need to change the otn in the path to otn-pub as described below. Select 'Copy Link Location' and then paste it into a text editor like Notepad.
If you want to download any JRE or JDK without signing into Oracle, go to the downloads page for the version you want (such as ) and right-click on the Download link of your choice. The URL that follows nexturl= is the actual link that will download the file to your computer. You'll see the link points to something like /webapps/redirect/signon, but it has a query attached that starts with ' nexturl='. Paste the copied link into a text editor like Notepad.
But instead of clicking on the green Download link (which will send you to the login page), right-click the download link and select Copy Link Location. When a window pops up saying you need to accept the license agreement, check the box that says you agree. To download any JRE or JDK from the Oracle download page without signing in, go to the downloads page for the version you want (such as ) and click on the Download link of your choice.