In order to run Easy365Manager, your system must have TLS 1.2 enabled.
The Easy365Manager installer is able to configure TLS 1.2 for you during installation if TLS 1.2 is found to be disabled.
To check the current TLS 1.2 settings of your system, and to configure it manually, follow the below guide.
How to Manually Enable TLS 1.2
Check that the following registry key exists (create any keys that are missing):
HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\
Create a registry value named “Enabled” with a value of “1” (DWORD):

Afterwards, either remove the DisabledByDefault key or configure it with a value of “0” (DWORD):

It is not necessary to reboot your system for this change to take effect.