Look for the "Downloads Archive" section on Microchip’s official site.

512 MB minimum (2 GB recommended for rapid OCG linking phases) Download and Installation Workflow

If you are starting a , it is highly recommended to use the latest MPLAB XC8 compiler.

Since this is legacy software, it is no longer the primary download on Microchip's main site. To find it safely: Microchip Archives: Visit the official Microchip Downloads Archive Legacy Compilers:

HI-TECH C COMPILER FOR PIC10/12/16 MCUS (PRO) | Microchip Technology. Microchip Technology HI-TECH C COMPILER FOR PIC10/12/16 MCUS - STANDARD