If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
We are planning to move from BO 4.0 SP4 FP3 to SP5. Is Explorer still add-on files for the installation or will it automatically deployed in SP 5 similar to Mobile ???