tutorial
1. Update your browser
Visit chrome://settings/help, the browser will automatically update to version v101, and restart after the update is complete.
2. Turn on experimental features
Visit chrome://flags/#download-bubble, change the default Default to Enabled, and restart the browser as prompted.
3. Download manager
Next, when you start a download task, the download bar at the bottom of Chrome will no longer appear.
In its place is the download management button in the upper right corner. Clicking the download button expands the manager to view/pause/cancel recent download tasks.
References:
Chrome browser releases a new version, you can close the download bar at the bottom of the page