To install Windows 11, version 25H2, you need to have Windows 11, version 24H2 installed on your ASUS laptop. If you are missing the 24H2 update, it is important to resolve this issue first to proceed with the upgrade to 25H2.
For ASUS devices, there have been known issues where some models could not complete the update to version 24H2 due to compatibility problems. If your device is one of those affected, you should check for any available BIOS updates from ASUS, as these updates may resolve the compatibility issues and allow you to install version 24H2. Once you have successfully updated to 24H2, you should then be able to upgrade to version 25H2.