: v5.35 includes and uses the last free Oracle JRE 8 . No separate Java license is required. MPLAB® X IDE - Microchip Technology
: Starting with version 5.40, MPLAB X transitioned to a 64-bit application, which led to the removal of the 32-bit MPASM assembler. If your project relies on absolute assembly code (.asm files), v5.35 is the final stable version you can use. download mplab x ide v5.35
: It is one of the last versions to fully support 32-bit operating systems. download mplab x ide v5.35