Get Device Support for MPLAB® X

MPLAB X: Support for new devices in MPLAB X can be added by using the MPLAB Pack Manager, which is found under Tools → Packs.

For the tinyAVR® 2 Family, update to the latest version by performing the following steps:
  1. 1.Click Check for Updates.
  2. 2.For the tinyAVR® 2 Family, select the latest available version of ATtiny_DFP.
  3. 3.Click Install.

For offline installers, go to packs.download.microchip.com/. To install a package, double click on the installer file and follow the instructions. Any open MPLAB X window will have to be closed for the installation to take effect.