# Extracting the corda-<version>.zip file

After you download the corda-<version>.zip file, you need to extract it to a temporary location in order to access the corda.war file.

To prepare the corda.war file for modifications:

1. Unzip the corda-<version>.zip file to your hard drive to make the corda.war file available.
2. Expand the corda.war file. This Java archive can be expanded and re-packaged with Java's jar tool or with a zip utility.