SIGRA STAND ALONE SOFTWARE FOR GRAPHICAL VISULALIZATION, ANALYSIS AND EVALUATION OF FAULT AND MEASURMENT RECORDS CAN BE INSTALLED WITHOUT DIGSI RUNNING UNDER MS WINDOWS OPERATING SYSTEM WINDOWS 10 (32/64 BIT) PROFESSINAL AND ENTERPRISE, WINDOWS 7 (32/64BIT) ULTIMATE, PROFESSIONAL AND ENTERPRISE, WINDOWS SERVER 2019 (64 BIT) STANDARD DELIVERY ON DVD-ROM INCL. DEMO FAULT RECORDS AND ONLINE MANUAL WITH LICENCE FOR 10 PCS (AUTHORISATION BY SERIAL NO.)