If you are looking for the 32-bit Android 7.1 version, you are likely looking for , which is cited as the last official 32-bit release based on Nougat.

Phoenix OS (Android 7.1 Nougat) for 32-bit systems is a lightweight operating system designed to give a desktop-like experience on older x86 hardware. It is often used to "revive" aging PCs by allowing them to run mobile apps and games with a taskbar, multi-window support, and keyboard/mouse optimizations. Key Features Install Android 7.1.1 N on PC/Laptop! | Phoenix OS

: A Chromium-based browser optimized for the desktop environment. System Requirements (32-bit Version)