Question: how to transfer file from laptop to whatsapp?
Answer: Open WhatsApp. Open WhatsApp on your web browser.
Open WhatsApp on phone. Open WhatsApp on your phone and click on the WhatsApp web option.
Scan QR code. Scan the QR code on your desktop using your smartphone.
Scan using rear camera. ... 
Share documents. ... 
Tap on pin icon. ... 
Choose from drop-down menu. ... 
Locate the file.