>>Hi,
>>
>>I need to update (actually downgrade) Java on my Windows 7 64-bit PC. I have the link that shows many different versions.
>>
>>https://www.oracle.com/java/technologies/javase/javase8u211-later-archive-downloads.html
>>
>>Anyone knows which one I need for my PC?
>>
>>UPDATE: I did download the file jre-8u211-windows-x64.exe (which appears to be the right version from the link above). Installed it. But in the Control Panel the version of Java still shows old number.
>
>I found that Java on PC is installed in the following folder:
>

>c:\Program files\Java\jre1.8.0_261\bin
>

>But all files in this folder dated prior to yesterday, when I was downgrading Java. Even though when I was installing the 8u211 version it said "successfully installed"
>
>Mmmm

If I'm not mistaken, if you're trying to revert to an earlier release (of the same version), you have uninstall the newer one first -- otherwise the normal operation of an installer (which checks versioning of components to avoid overwriing a newer revision with an older one) will prevent installation of an earlier revision of the same component.