Step::1 Visit https://www.tawk.to/
Step::2 Click on the Sign Up for Free tab
Step::2 Enter the credentials like Name, Email & Password and click on Sign Up
Step::4 Next Select your Language & Click on Next: Create Property tab
Step::5 In the next step enter your Site Name and Site URL & click on the Next: Team Members tab
Step::6 Now add the email address to add new members as per your requirement and then click on the Next: Install Widget tab
Step::7 Next you need to copy the entire code
Step::8 Login to cPanel and go to the folder where you installed WHMCS.
Step::9 Open the folder “templates”
Step::10 In folder “templates” open default folder “portal” or “six”
Step::11 Find the file “footer.tpl” and right-click on it and choose the Edit option
Step::12 Now Paste your tawk.to JavaScript code between </body tags> as shown below
Step::13 Click on Save changes and close the editor.