are you talking about OBIEE 126.96.36.199.0 here?
If yes then are you sure you have installed and configured OBIEE 188.8.131.52.0?
Please note OBIEE Client Tools are used for different purpose like BI Administration Tool for creating RPD(Repository Design) which is used as data model in OBIEE, Catalog Manager is used for managing catalog content, Job Manager for managing scheduled agents of OBIEE.
Client tools are not used to develop reports and dashboards, please get your understanding cleared about the product.
Check below blog which explains on how to install and configure and once done how to start with OBIEE Reports/Dashboards creation.
OBIEE 184.108.40.206.0 Oracle Product Document for Installing and Configuring OBIEE 220.127.116.11.0
For OBIEE 12c Client Tools installation