You can create a watch party easily by following the below steps: –
First of all, install the extension and pin it to the toolbar.
Now, you need to sign in to your HBO Max account.
In the next step, you have to search and play the video you want to stream.
Now, go to the toolbar of the browser and click on the HBO Max Watch Party icon. Furthermore, the “Create a Party” window will open on the screen and tap on the Start a Party option.
The HBO Watch Party URL will appear in the next window. You have to copy this URL and share it with people you want to invite to your HBO Watch Party.