Using WhatsApp without a phone number is not directly possible since WhatsApp requires a phone number, However, WhatsApp won't work without a phone number for verification purposes. However, some alternative ways exist for those who are unable to use their own phone numbers. This article will discuss these alternatives and provide step-by-step guidelines on how to use WhatsApp without a phone number.

Option 1: Using a Third-Party App or Service
There are various third-party apps and services that provide temporary phone numbers for WhatsApp verification. These services operate by issuing a temporary phone number that receives the WhatsApp verification code, which is then forwarded to the user through the app or service.

One popular option is the "Temporary Number|Two-Ten Service," which can be utilized for WhatsApp verification. To use this service, follow the steps below:

• Download and install the 2TEN app from the Google Play Store.
  
• Open the app and sign up for an account.
  
• Enter the WhatsApp verification code received on the 2TEN number into the WhatsApp application.
  
• Once the verification process is complete, the WhatsApp account will be activated using the 2TEN number.
  
  

Please note that the availability and functionality of such services may change over time, and utilizing these services can result in security concerns.

Option 2: Using a WhatsApp Web Account
WhatsApp Web allows users to use WhatsApp without a phone number directly through a web browser on their computer. This option can be used without a phone number, but it requires an active smartphone with WhatsApp installed.

To use WhatsApp Web without a phone number, follow the steps below:

• Open a web browser on your computer and navigate to web.whatsapp.com.
  
• Scan the QR code using the WhatsApp camera on your smartphone.
  
• Once the WhatsApp Web account is linked to your smartphone, you can communicate with others without using a phone number.
  
  

However, keep in mind that WhatsApp Web accounts video calls.

Two: WhatsApp Desktop App
WhatsApp provides a desktop app for Windows and macOS that allows users to use WhatsApp without a phone number on their computer. This option can be used without a phone number, similar to WhatsApp Web.

To use WhatsApp on desktop apps without a phone number, follow the steps below:

• Download and install the WhatsApp desktop app from the official WhatsApp website.
  
• Open the app and link the app using the WhatsApp camera on your smartphone.
  
• Once the WhatsApp desktop app is linked to your smartphone, you can send and receive messages without using a phone number.
  
  

However, please note that WhatsApp desktop apps need an active smartphone with WhatsApp installed, and have limitations.

In summary, while using WhatsApp without a phone number is not directly possible, there are workarounds that allow users to access their WhatsApp account using third-party apps, WhatsApp Web, or desktop apps. However, these options can be restricted and may not work for everyone.