SAP S/4HANA is an ERP business suite based on the SAP HANA in-memory database that allows companies to perform transactions and analyse business data in real-time. S/4HANA originated in SAP HANA, the in-memory database released in 2011. SAP HANA made it possible to process large volumes of operational and transactional business data in real time. In 2013, SAP launched SAP Business Suite on HANA, a HANA-based ERP system that included modules for CRM.
Rollout we can find that the Organization works accordingly to Government there in other countries like taxation: As the taxation will be different in other countries. Ex: Some allowances, Income Tax, etc. Master Data: As the new employees join the organization So many modifications should be done according to Country .So Rollout is little tough but effective after completion.