Reinstall or switch the compiler configuration to Lite Mode . While optimization levels decrease slightly, it allows unlimited use without build interruptions.
Here is the critical update as of 2024-2025: Microchip Technology no longer hosts the standalone HI-TECH C v9.83 installer on their main website. They have transitioned fully to the .
Draft a for common "Error 491" or linker issues. hitech+c+compiler+for+pic10+12+16+mcus+v983+download+updated
The safest source is the official Microchip Downloads Archive page under the legacy compilers section.
Download the updated HI-TECH C Compiler for PIC10, PIC12, and PIC16 MCUs – version v9.83. This compiler supports legacy and modern 8-bit PIC microcontrollers and integrates with MPLAB X IDE. Includes PRO and Standard editions. Get the latest maintenance release for improved code optimization and device support. Reinstall or switch the compiler configuration to Lite Mode
: Runs natively on Windows 10/11, macOS, and Linux, whereas v9.83 may require compatibility mode on newer systems.
Run the installer ( .exe file). The installer will guide you through setting up the compiler and integrating it with your installed MPLAB IDE. They have transitioned fully to the
Developer experience
Access to a wide range of libraries and example projects can significantly speed up development.
The HI-TECH C Compiler for PIC10/12/16 MCUs (often referred to as PICC or PICC-Lite) was long considered the industry standard for 8-bit Microchip microcontrollers. Version 9.83, released around 2011, stands as one of the most stable and popular versions, featuring technology, which provides superior optimization for small-memory devices.
Compiling old projects without having to rewrite syntax to match modern XC8 standards. Tutorial Compatibility: