# Installation

* Download and extract the [SOFA distribution package](/quick-start/downloads.md). It consists of one JAR files with the Java classes.
* Add the files `SOFA.jar`to your Java classpath, e.g.

```bash
java -cp .:../lib/SOFA.jar 
```

* Import the SOFA class in your code, e.g.

```java
import ch.k43.tools.SOFA;
```


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