+1 Checksum, install and launcher
Product Version: Apache NetBeans IDE 12.1 Java: 1.8.0_261; Java HotSpot(TM) 64-Bit Server VM 25.261-b12 Runtime: Java(TM) SE Runtime Environment 1.8.0_261-b12 System: Windows 10 version 10.0 running on amd64; Cp1252; en_US (nb) Best Regards Ouss