3.1.3 Can I Install More Than One Version of the Same Compiler?

Yes, the compilers and installation process has been designed to allow you to have more than one version of the same compiler installed. For MPLAB X IDE, you can easily swap between version by changing options in the IDE (see 3.2.4 How Can I Select Which Compiler I Want to Build With?.)

Compilers should be installed into a directory whose name is related to the compiler version. This is reflected in the default directory specified by the installer. For example, the MPLAB XC32 compilers v1.00 and v1.10 would typically be placed in separate directories.

C:\Program Files\Microchip\xc32\v1.00\

C:\Program Files\Microchip\xc32\v1.10\