# Eclipse Temurin

Application: Eclipse Adoptium

Also called adoptium, adoptopenjdk, temurin, openjdk

Eclipse Adoptium, Productivity

A popular OpenJDK build from Eclipse Adoptium. The runtime is java.exe. It is not Oracle Java as the only option, and it is not a browser plugin anymore.

## What you need to know

Temurin is an OpenJDK build. java.exe is not a browser plugin.

Eclipse Temurin is Adoptium's OpenJDK. java.exe is the runtime. Oracle Java is a different vendor build. The Eclipse IDE is eclipse.exe. The old browser plugin is gone.

- **What is it?**: Popular OpenJDK build

  **Only Oracle Java?**: No. Temurin is another JDK

  **Browser plugin?**: No. That era is over

Feex says

If java.exe is on PATH, I would run java -version and read the Temurin or Oracle string. I would not hunt a browser plugin. That plugin era is over.

## What is Eclipse Temurin?

Eclipse Temurin is Adoptium's OpenJDK distribution. java.exe runs Java programs. It is not Oracle's JDK exclusively, and it is not the Eclipse IDE.

## If you have never used it

If a README said install a JDK, Eclipse Temurin from adoptium.net is a common OpenJDK build. java.exe is the runtime. It is not a browser plugin. Oracle also ships JDKs. Those are a different vendor and license. eclipse.exe is the IDE, not this runtime.

## What is it used for?

**Run Java applications**

java.exe starts a JVM. A leftover java.exe in System32 from an old Oracle install can steal PATH.

**Compile with a JDK**

javac.exe comes with the JDK image. A JRE-only folder will not compile.

**Point IDEs at this home**

JAVA_HOME to the Temurin folder. IntelliJ and Eclipse can each pick a different JDK.

## Who is it for?

- People who need a free OpenJDK on Windows
- Shops that left Oracle Java and moved to Adoptium
- Anyone who thinks java.exe is still a browser add-on

## Current status

Eclipse Temurin (2017) is a current java runtime and jdk from Eclipse Adoptium. The vendor still points Windows users at https://adoptium.net/.

## How old is it?

AdoptOpenJDK started in 2017 after Oracle changed Java licensing. The project moved to Eclipse Adoptium and the Temurin builds. The old Java browser plugin is gone. A 2008 Java.com plugin guide is history.

## Versions

Major channels first. Exact build numbers are not all verified here.

LTS JDK

Latest

## System requirements

Values follow the publisher's public guidance. Workload still changes the real need.

### Minimum

| Operating system | A current 64-bit Windows 10 or Windows 11 release, per Adoptium |
| ---------------- | --------------------------------------------------------------- |
| RAM              | The JRE is modest. The app heap is what you configure           |

## Resource profile

- **CPU demand**: Follows what you open inside the app

  **RAM demand**: Follows documents, tabs, or libraries

## Installed processes

These executables belong to this product when it is installed.

| java.exe  | Temurin Java runtime for that install             |
| --------- | ------------------------------------------------- |
| javac.exe | Compiler when you installed a JDK, not only a JRE |

## Startup components

Windows does not add java.exe as an inbox service. A vendor app or scheduled task can start a JVM.

## File locations

| Typical install | C:\Program Files\Eclipse Adoptium\jdk-\*\\ |
| --------------- | ------------------------------------------ |

## File formats

JAR, CLASS

## Common problems

### Several java.exe copies

Oracle, Temurin, and a vendor JRE can all be named java.exe. where.exe java names which one launched.

### People open Eclipse IDE to "install Java"

adoptium.net is the JDK. eclipse.org/downloads is the IDE.

## Getting unstuck

### java -version and where.exe java

Temurin should say Eclipse Adoptium or Temurin. An Oracle string is a different install.

### Set JAVA_HOME to the Temurin folder

IDEs and Maven read that variable. A Store Python alias will not help.

### Install from adoptium.net, not a random JDK pack

Adoptium hosts the MSI and API. A Java runtime toolbar bundle is junk.

## Alternatives

Oracle JDK if your shop requires it. Microsoft Build of OpenJDK and Amazon Corretto are other OpenJDK builds. Eclipse IDE is not a substitute runtime.

## Official help and downloads

Start with the vendor. Random exe sites are not a support channel.

| Download         | [adoptium.net/ ](https://adoptium.net/)Official installer or vendor page                           |
| ---------------- | -------------------------------------------------------------------------------------------------- |
| Help             | [adoptium.net/docs/ ](https://adoptium.net/docs/)Vendor support                                    |
| Official site    | [adoptium.net/ ](https://adoptium.net/)Start here, not a random exe host                           |
| Temurin releases | [adoptium.net/temurin/releases/ ](https://adoptium.net/temurin/releases/)LTS and latest JDK builds |

## Related hardware

The JVM heap is what you set. A 64-bit PC is required for current JDKs. A GPU is only relevant if that Java app uses one.

## Technical details

Technical details

Vendor version numbers change. This article does not pin a build.

## Related

These entities connect to this article. Type is shown on every link.

[Eclipse IDE: Application](https://feex.it/wiki/software/eclipse-ide)[How to read Task Manager: Guide](https://feex.it/wiki/software/system/how-to-read-task-manager)

## Sources and verification

Reviewed by Feex editorial. Last verified August 2026 Status: Feex Reviewed. [How we research](https://feex.it/wiki/research).

- [Eclipse Temurin official site ](https://adoptium.net/)· Vendor product page
- [Eclipse Temurin help ](https://adoptium.net/docs/)· Vendor support
- [Adoptium documentation ](https://adoptium.net/docs/)· How Temurin is built and installed
- [Foxhole process map ](https://foxhole.feex.it/)· First-party samples on Windows PCs. Not a lab benchmark.

## Was this article useful?

A yes or no is enough. Pick a reason if you want, or add a short note.

Quick facts

The short identity of this page. Specs, sources, and the full story stay in the article.

- **Developer**: Eclipse Adoptium

  **Category**: Java runtime and JDK

  **Process**: java.exe

  **License**: GPL-2.0 with Classpath Exception

  **First released**: 2017

  **Official site**: [adoptium.net](https://adoptium.net/)

  **Mapped by Feex**: Seen on Windows PCs in Foxhole

Feex Reviewed: Last verified August 2026

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Source: [Canonical Feex Wiki page](https://feex.it/wiki/software/temurin-jdk/)

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