If you have installed many programs, you can arrange them in alphabetical order Look for Viber from your list of installed programs. A list of all installed programs in your PC will show up and you have to select Viber. Select 'Programs' and click 'Uninstall a program'.
Go to 'Start' then click 'Control' panel. Here is how to change Viber number on your PC. If you change your phone's number or SIM card, but still continue to use the same phone, your old Viber number would still show up when you send messages or call people. So, it is worth repeating that it is not possible to change your Viber number using your existing Viber account? There have been lots of complaints of people seeking to know why Viber cannot make it possible for one to change their number without first deactivating their account, but that is not possible at the moment. It is important to note that there is no way to change your Viber number without first deactivating your Viber account. How to change your Viber number on PC computer