6.1.3 Select Packs during MPLAB X IDE Install
When installing MPLAB X IDE (as of v5.20), you may Choose Microchip device support you want installed. This will install only the packs related to the device architecture(s) selected. Installing only what you need saves disk space and speeds installation.
This is also called a distributed installer.
Information on installing MPLAB X IDE may be found in the MPLAB X IDE Readme (see .)