WhatsApp (owned by Facebook) has been used widely all over the world. It's the most popular cross-platform messaging app.
Billions of users use it to communicate. It helps to connect the users using different platform, using for chats, send files, make voice and video calls freely. The app can be installed on Android , ios and windows.
If you want to use its web apps, you can use WhatsApp web online that enables users to access their conversations through a web browser.
You can access your message and files of WhatsApp but nothing is saved on your computer and every conversations and files are saved on your mobile apps and storage. You must download the files manually to save in PC.
Requirements
1. WhatsApp installed on your smartphone with internet connection.
2. Browser on your PC with internet connection.
Steps
1. Open https://web.whatsapp.com/ QR code will appear on screen.
2 On WhatsApp on mobile go to settings -->> scan the QR code shown on the PC.
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3. After page is fuly loaded automaticallly you will see your conversations on WhatsApp.
4. Done ! Now you can use the web app to check the messages and reply.
Now, you can use your keyboard to type messages and share files and communicate with your contacts.