Available in both 32-bit and 64-bit versions, Android-x86 8.1-rc1 brings Android 8.1 Oreo to most devices that have not been designed with this mobile operating system in mind, including desktops and portable computers. However, this version is the first release candidate build and comes with a few issues.
https://www.notebookcheck.net/You-can-run-Android-Oreo-on-a-PC-thanks-to-Android-x86-8-1_rc1.309536.0.html