Can I still test the memory on Windows 11 with this tool?
Yes, and it is very easy to continue testing the RAM / memory on all MS Windows 11 OS with this memory test tool!
Even with the latest Microsoft Windows 11 you can still use the "Memory Test Tool" to test the RAM. It is suitable for all Windows OS from Windows 2000 to MS Windows 11 and Microsoft's Windows Server 2019, 2016, .... you don't have to do without this simple option of Memory Test on any Windows PC!
Simple example of the Memory Test on MS Windows 11!