Matrix user forums

I have just downloaded the Flowcode 9 software and I am trying to create a project with the PIC16F877A microcontroller. However, I am getting an error message when I try to compile the project. The error says "Unable to find the compiler for the selected device. Please check your installation and try again." I have checked the installation folder and the compiler files are there. I have also tried to reinstall the software, but nothing works. How can I fix this issue?

For v9 issues you should post on the appropriate Flowcode forums here:
https://www.flowcode.co.uk/forums/

Regarding your issue, you need to install the 8bit PIC toolchain from here:
https://www.flowcode.co.uk/download/