Microsoft has announced a second event on June 24th for developers. The event will be at 3pm on the same day as the unveiling of Windows 10. It is not known what will be announced at the time of the event. It will likely include new features and changes to the Windows Store. Microsoft is expected to announce a new version of the operating system on June 25th. The announcement comes after a preview build of the new Windows 10 software was leaked earlier this week. The official release of Windows 11 was announced on Monday.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-announces-windows-developer-event-for-june-24th/