Step 1: Login to your PushAssist Control Panel.
Step 2: Go to Settings Menu
Step 3: Checked the Switch to SSL check box & save setting. Go back to setting option you will find a Green Download Package File button. Download it.
Step 4: Now extract the downloaded package, then Copy
service-worker.js files & paste it in your website root folder.
Step 5: Include
manifest.json file in your web site header file, before
<link rel="manifest" href="/manifest.json">