How to Download & Install JDK 8 & JRE on MacOS 10 ?

Summary: JDK 8 should be installed in your system to run SysTools Mac software even if you have latest version of JDK available in your system. It is because, our application requires installation of JDK & JRE in the user machine for running the software properly. The latest version like JDK 11, 13 does not provides JRE installers.

Now see how to download and install JDK 8 & JRE in Mac OS without any confusion. The Java SE Development Kit 8 has many releases from JDK 8 to JDK 8u241. Here in this blog we will see the installation of JDK 8u241 on MacOS 10.15 Catalina.

java jdk 8 error

If you are getting this error message, while trying to open your downloaded SysTools software, then there is nothing for panic. This error message pops up just because your system does not have installed JDK 8 & JRE.
Follow the steps below to Download and install JDK & JRE on your Mac system to overcome this issue.

Download & Install JDK & JRE 8 on Mac OS


Open your Browser and go to the Oracle website. Go to the link given here:

install jdk 8 alert box


Scroll down until you see a heading Java SE Development Kit 8u241 followed by a table of JDK 8u241 download options. There click on "Accept License Agreement" radio button.

jdk 8 download


A Thank you message will be displayed when you accept the license.

jdk 8 download Accept License Agreement


Now download jdk-8u241-macosx-x64.dmg of size 254.06 MB which is listed for Mac OS X x64.

jdk-8u241-macosx-x64.dmg download


To download the file, you need to login to your Oracle account. Create an account, if you do not have account and provide your login credentials.

Note: If your Organisation policy does not allows to sign-up in Oracle, then you can contact our SysTools Tech- Support via Live Chat Support option in bottom of your screen.

jdk 8 download sign-up in Oracle

And then you will be asked whether to save the file that is going to be downloaded. Click on Save File.


Now go to Finder >> Open your Downloads Folder (or from the Downloads window of the browser). And double-click on jdk-8u241-macosx-x64.dmg to launch it.

jdk-8u241-macosx-x64.dmg download

jdk 8 download


A Finder window will appear, which containing an icon of an open box and with a name JDK 8 Update 241.pkg.

JDK 8 Update 241.pkg install


Double-click on the package icon (JDK 8 Update 241.pkg), and follow the instructions to install it.

  • The Introduction window appears, click on Continue.

JDK 8 Update 241.pkg install

  • Note: In certain cases, the Destination Select window may appear. If it appears then select Install for all users of this computer to enable Continue button.
  • Then the Installation Type window appears. Click on Install button.

jdk 8 installation tye

  • Now a new window appears which says "Installer is trying to install new software. Type your password to allow this." Provide your Administrator login and password and click on Install Software.

jdk 8 installation


When the installation process is completed, confirmation windows appears. Click on Close.

jdk 8 download and installation

So, now you have successfully installed JDK 8u241 in your Mac OS system. At this point, you can close up the window and drag jdk-8u65-macosx-x64.dmg to the Bin. If you still have problem with installing Java Development Kit in your Mac OS, then you can contact our Tech Support team.

Now install and run your downloaded SysTools software which helps in protecting user's personal & business data effortlessly.