I m providing you free tawk.to extension, please follow the Installation instructions properly.
Tested - Working 100 %
Open your admin goto Extensions Tab and click "Extension Installer".
1.Then click on "Upload" button and select the downloaded folder/directory "tawk.to.ocmod".
2.Now goto Extension Tab and select "Extension" then click on dropdown menu and select "Modules".
3.Then click on "Install" and "Edit" button then Fill the details and enable the status and then save it.
Do not forget to comment & review, if you want more use full extension FREE like this.