I'm running my new iMac in virtual 2560x1440 mode, and... it looks pretty darned good | MacRumors Forums
![Got an iMac 4K or iMac 5K? This is how you can change to full 4k or 5k resolutions – which macOS doesn't allow you by default! – Swiss Mac User Got an iMac 4K or iMac 5K? This is how you can change to full 4k or 5k resolutions – which macOS doesn't allow you by default! – Swiss Mac User ](https://i0.wp.com/swissmacuser.ch/wp-content/uploads/2018/04/iMac-5k-macOS-High-Sierra-Display-Settings-Native-5K-Resolution.png?ssl=1)
Got an iMac 4K or iMac 5K? This is how you can change to full 4k or 5k resolutions – which macOS doesn't allow you by default! – Swiss Mac User
![bootcamp - How can I reduce the display resolution in Windows (Boot Camp) on a Retina 5k iMac? - Ask Different bootcamp - How can I reduce the display resolution in Windows (Boot Camp) on a Retina 5k iMac? - Ask Different](https://i.stack.imgur.com/VPuUH.jpg)