@e.rille
This forum is dedicated to software developers using Refinitiv APIs. The best resource for general technical questions about Refinitiv products such as this one is MyRefinitiv portal, where you can find documentation for Refinitiv products including Eikon. You can also raise support requests on MyRefinitiv portal if for example you cannot find the documentation you're looking for. The command line parameters to install/uninstall Eikon can be found in Appendix A in Eikon IT-Managed Installation Guide available from Eikon page on MyRefinitiv portal under Support materials - Technical Documents.