Microsoft has suspended free trials of their Windows 365 Cloud PC service after running out of available servers. Windows 365 is a cloud-based virtual desktop experience that allows the enterprise to deploy Windows 10 Cloud PCs on the cloud. Microsoft also offers free trials to get a 2vCPU/4GB RAM/128GB Cloud PC for free for two months. The service is available for $24 per license/month and prices range from $162 at the high-end. Microsoft has paused the free trial program while the add more capacity.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-halts-windows-365-trials-after-running-out-of-servers/