If you are not sure you need Java, try running your PC for a few weeks to see if you can do without it. However, you must install it from java.com, because some malware pretends to be Java update 11. Only install Java in a single web browser, and use this browser only for Java sites.Click to see full answer. In this regard, is it OK to update Java?Generally speaking it should be safe to upgrade to the latest Java Runtime Environment (JRE) for your operating system, then uninstall previous releases using the “Java Uninstall Tool.” The Java Uninstall Tool will automatically figure out which releases are no longer required and remove them for you. is Java still dangerous? Using Java is an unnecessary security risk especially using older versions which have vulnerabilities that malicious sites can use to exploit and infect your system. Although, Java is commonly used in business environments and many VPN providers still use it, the average user does not need to install Java software. Correspondingly, do I need to update Java on Windows 10? Hello Maviu, you don’t need to update Java because both Internet Explorer and Firefox support Java on Windows 10. However, Edge browser will not run Java since it doesn’t support plug-ins.Does anything still use Java?No, Oracle isn’t killing the Java programming language itself, which is still widely used by many companies. You may not think you even have the Java plugin installed, but if you’ve ever installed Java, or if Java came pre-installed on your computer, then you probably do, even if you never use it.