There is no need to install bulk whatsapp sender. After downloading the file just unzip the file and then click on a green color icon inside the folder. The software will open.
You need 4.6.2 dot net framework to use the software. if you dont have 4.6.2 dot net framework, you can download it by clicking on the link below.https://dotnet.microsoft
You can check the same in control panel.If you are using windows 10, then click on the link below to learn that.https://www.howtogeek.com/731913/how-to-check-the-.net-framework-version-
Kindly deactivate your licence first and then activate the software again.To know how to deactivate, Login to your client account, click on dashboard, click on softwares, then click on manage lic
Click on Settings button to open the settings windowConnection speed You can select the connection speed as per your internet connection speed. Very Slow, Slow, Normal, F