Downloading v5.35 allows you to compile older codebases seamlessly without rewriting the syntax for PIC-AS. 32-Bit Operating System Compatibility
However, if you are actively maintaining existing industrial, commercial, or hobbyist applications written in legacy assembly language, downloading MPLAB X IDE v5.35 is the absolute best choice to keep your workflow fast, reliable, and completely error-free. top download mplab x ide v535
If using the .sh installer on Linux:
To download version 5.35, you must visit the MPLAB Ecosystem Downloads Archive as the main product page only hosts the latest version. MPLAB® Ecosystem Downloads Archive | Microchip Technology Downloading v5