First of all, if you want to experience Copilot, you must make sure that your office is the 365 subscription version, or you are the E5 developer version (if not, just wait)
Since it is still a preview version, it is not as smooth as the official announcement video.
As shown, the service is often fully loaded
Let’s start the tutorial:
1. Prepare 365office
If it is not the 365 version./Subscription version, you can go to this link and it will be free! Apply for an office E5 developer account for free, get a 5T private network disk, and come with unlimited renewal tutorials! | Zero Degree Commentary_bilibili_bilibili apply for an E5 account and then install 365office
2. Update office word
For the subscription version, you can directly go to Account->Join the trial plan and select it, then recheck to update to the latest version 2305
Then open regedit in HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\word
, add the value:
Name: Microsoft.Office.Word.CoPilotExperiment Value: True
Then restart the device, then open word to check for updates and then restart word. After opening, it will look like this:
Click on copilot 
/ Or use the registry file to configure directly
Then update word, you can use it directly
You can also refer to the co-pilot in your work process, the revolutionary application Office Copilot configuration tutorial! Free the workers in advance! - Zhihu(zhihu.com)