You can download dedicated NiDA driver files from independent developers or use the Keyman for Mac alternative. Key Features of the NiDA Layout Khmer (NIDA) Basic keyboard - Keyman
You often don't need a separate download. Go to Settings > Time & Language > Language & Region , add "Khmer," and under "Language options," select Add a keyboard to find Khmer (NIDA) . download khmer nida keyboard
The is the industry-standard input method for typing Khmer script on digital devices. Developed by the National Information Communications Technology Development Authority (NiDA), this layout is the go-to choice for students, government officials, and professionals across Cambodia because of its logical mapping and full Unicode support. How to Download the Khmer NiDA Keyboard You can download dedicated NiDA driver files from