I am using LrC 11.3 update on my Windows Laptop with Win 11 without any apparent problems. See the screen capture for the Laptop specs.

My macOS system is also functioning as expected.
Regards, Denis: iMac mid-2015, 5K 27”, GPU 2GB, Ram 24GB, HDD 3TB, macOS 11.7.3 BigSur,; LrC 12.1, Lr 6.1, Ps 24.1.1,; ACR 15.1.1,; Camera OM-D E-M1