Despite your best efforts, you cannot manually install Wear OS on any smartwatch. Google as a company manages the Android Wear OS framework as a closed-source
10 Best Wear OS Apps to Improve Your Smartwatch Experience - Guiding Tech
You can now have custom action buttons on Wear OS with a new Google Assistant tile - PhoneArena
Google Pixel Watch 2 Showcases Wear OS 4's Complete Feature - The Futurum Group
One UI 5 Watch (WearOS 4) Update Schedule Is Here For Galaxy Watch 4 and Watch 5
Can you Install Wear OS On Any Smartwatch? Here's the Truth
WhatsApp launches on WearOS helping you stay connected without a smartphone
Set up your watch - Android - Wear OS by Google Help
Building Wear OS apps with Flutter: A very good guide
The Pixel Watch Has Landed. What Does That Mean for Wear OS?
Google brings Gboard keyboard app to Wear OS smartwatches - PhoneArena
This is the simplest way to discover and install apps on your Wear OS watch
How to put ChatGPT on Galaxy Watch, Pixel Watch, Wear OS