The registration window for the third phase of the HarmonyOS 6 Developer Preview has officially opened, bringing complete compatibility support for all HarmonyOS - equipped PCs. This phase offers developers an exclusive opportunity to be among the first to explore cutting - edge features and streamline their application development process using DevEco Studio. The registration period runs from October 10 until 10:00 AM on October 20. A wide range of device models are eligible for this preview, encompassing the Huawei Mate, Pura/Pocket, nova/MatePad series, as well as select HarmonyOS PC models.