Install WhatsApp Web Sender in 5 Minutes

Which Version to Choose: With Warming or Without?

If you only need bulk messaging — choose the version without warming (install from Chrome Web Store).

If you need warming and reputation building — download the version with warming (ZIP archive).

What is account warming? See Account Warming.

Installing from Chrome Web Store

1. Open Chrome Web Store
2. Click Add to Chrome
3. Confirm installation
4. Done — the icon appears in your browser toolbar

Installing the Warming Version (ZIP Archive)

1. Download the archive with Ultimate with warming (ZIP) above
2. Extract the archive (WinZip, 7-Zip, or built-in Windows extractor)
3. Open extension management:
   • Menu → Extensions → Manage Extensions
   • Or type in the address bar: chrome://extensions/
4. Enable Developer Mode (toggle in the top right corner)
5. Click Load unpacked extension, select the folder with manifest.json

Important Before Use

To launch bulk messaging or warming you must:

• Upload a contact list (won’t work without it)
• Use variable messages (identical messages = ban)
• Set delay between messages: 70–500 seconds

For new accounts: start with 3 messages per day, gradually increasing. After 2 weeks — up to 270 messages per day.

Common Issues

Problem	Solution
”Load unpacked” button is inactive	Enable Developer Mode
Extension icon didn’t appear	Reload WhatsApp Web or restart browser
”Manifest not found” error	Select the folder containing manifest.json

What’s Next?

1. XLSX Contact Lists
2. Message Templates & Spintax
3. Launch Broadcast