I.R.I.S. IRIScompressor Pro Mac - Manual (Page 7)

IRISCompressor TM Pro – User Guide
7
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IRISCompressor Pro: Select the languages in which you want
IRISCompressor to recognize documents, and click Install.
You can select up to 5 languages. The language you selected as
installation language was selected automatically, but this can be
changed if necessary.

Select the destination folder where IRISCompressor will be
installed, and click Install.

Click Finish to complete the installation.
IRISCompressor Pro: In case you want to install other OCR
languages than the ones you selected, uninstall IRISCompressor,
then re-install it and select the other languages of your choice.
It is not recommended to have more than one version of
IRISCompressor installed at the same time. In case you want to
upgrade to a superior version, always uninstall your current version
first before installing the superior version. See the topic Uninstall
for more information.