Here are the steps to buy a domain in Namecheap:
Go to Namecheap's website: Go to the Namecheap website by typing in www.namecheap.com into your browser.
Search for the domain: Use the search bar on the home page to search for the domain you want to buy. Enter the domain name and click on the search button.
Select the domain: Select the domain you want to buy from the search results.
Add to cart: Click on the "Add to Cart" button to add the domain to your cart.
Review your order: Review the items in your cart and make sure everything is correct.
Check out: Click on the "View Cart" button and then click on the "Confirm Order" button to check out.
Create an account: If you don't have an account with Namecheap, you will be prompted to create one. Enter your email address, create a password, and enter your personal information.
Enter payment information: Enter your payment information, such as your credit card details or PayPal information.
Complete the purchase: Review your order summary and click on the "Pay Now" button to complete the purchase.
Wait for confirmation: After you've completed the purchase, you'll receive a confirmation email from Namecheap. The email will contain instructions on how to set up your domain.
With these steps, you can buy a domain in Namecheap and begin setting up your website.