Abstract: The present invention relates to an arrangement/method for controlling/supporting control of process of a system solution. A number of processes are provided/defined for supporting execution of a number of manually driven processes, each process comprising a number of steps or node. For each process step a spreadsheet is provided comprising the indata parameters required for the actions to be taken in the process step, and for each process step, furthermore an operation instruction (OID) is provided which comprises information about the measures/actions to be taken in the process step and about the order in which the actions/measures are to be taken, such that when the actions/measures of a process step are taken, it is proceeded with the subsequent process step of the defined process using the spreadsheet and operation instruction relevant for that subsequent process step. The respective OIDs are written on system level.