BRUSSELS, July 9 : SAP, Europe's largest software maker, will make it easier for its customers to switch to rival service providers or end their contracts, EU antitrust regulators said on Thursday as part of concessions aimed at staving off a possible fine.In September last year, the European Commission launched an investigation over concerns that SAP might be hindering competitors in the market for maintenance and support services of on-premise software. Regulators suspected SAP was making it difficult for its customers to switch vendors.SAP subsequently tweaked its proposal after the EU competition watchdog received feedback from third parties, resulting in the Commission giving the green light to the concessions. Reuters exclusively reported on this in November last year."Today's decisi