Hi tutku,
If you want to S/4HANA Simple Finance without Simple Logistics (SLOG), the most indicated is use S/4HANA Finance 1503.
For more details please check the thread bellow:
What version of S/4HANA Simple Finance without Simple Logistics (SLOG)
These notes can help to clarify the distinct releases and product versions:
2171868 - SAP Simple Finance / S/4HANA Finance: Information on Product Name and Versioning Changes
2189824 - SAP S/4HANA, on-premise edition 1511: Release Information Note
Regards,
Raquel