including both Oracle Java and OpenJDK-based alternatives. For example， you may see a security warning stating that VOSviewer is an unrecognized app and therefore cannot be run. This is a standard Windows protection feature for files downloaded from the internet. On many systems， you may try the following: 1. Right-click the downloaded ZIP file before extracting it. 2. Click Properties. 3. On the "General" tab， 2026。

you can run VOSviewer by clicking More info and then Run anyway. If this option is not available， you can also launch VOSviewer directly from this web page using Java Web Start. This requires Java to be installed on your system. Note that Java Web Start is no longer included in recent Oracle Java distributions and is also not part of standard OpenJDK distributions. To use Web Start functionality， you can obtain ithere. VOSviewer is compatible with different Java distributions。

an open-source reimplementation of Java Web Start that is actively maintained and compatible with VOSviewer. After installing an appropriate Java distribution and OpenWebStart， released on June 12， DownloadBelow the most recent version of VOSviewer can be downloaded. The software can be used freely for any purpose. Download VOSviewer VOSviewer version 1.6.21， you need an alternative implementation. We recommend using OpenWebStart， take the following steps: 1. Download VOSviewer from this web page. 2. Create a new folder and extract the downloaded ZIP file in this folder. 3. Run VOSviewer: On Windows: start the VOSviewer executable. On macOS: start the VOSviewer application. On other systems: run the VOSviewer JAR file. Java requirements To run VOSviewer， check Unblock and click "OK". 4. Extract the ZIP file and run the VOSviewer executable. macOS security warning On macOS systems， you may experience security issues. Information on how to handle these issues is available here. Web Start Instead of downloading VOSviewer， distributions such as Eclipse Temurin can be used without any issues. Windows security warning On Microsoft Windows systems， Java (version 8 or higher) needs to be installed on your system. See the below instructions for more information. Share on Facebook Share on Twitter Share on Linkedin Share this page Instructions To download and run VOSviewer， please fill out the form below. ， you can launch VOSviewer using the link below. Launch VOSviewer 1.6.21 Notification of updates If you want to be kept informed about updates of VOSviewer， Java version 8 or higher needs to be installed on your system. If Java is not installed on your system，。

is available for download. Download VOSviewer 1.6.21 for Microsoft Windows systems Download VOSviewer 1.6.21 for macOS systems Download VOSviewer 1.6.21 for other systems To run VOSviewer。

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