A customer wants me to integrate Sugar CRM with 3CX

On which operating system you want to install sugarcrm(latest version i.e. Enterprise 10.X)? if you are installing on windows operating system, then firstly install WAMP.  Make required changes in php.ini file. Then download the sugarcrm ent 10.x zip file from your sugarcrm account and extract it in root folder i.e www. Now execute it as localhost so Installation window will open. It will asked some information like database name, user name etc. Provide it so installation will complete. For linux operating system, the process is different.

On Window 10 on my laptop and window server 2016 for the Client. I want it work on my laptop before going to the Customer for deployment.

The mysql(5.7) database is required for SugarCRM. Therefore you need to install wamp version 3.X on you windows 10. So it will install apache sever, mysql database and PHP on your laptop. The elastic search is also required so download elasticsearch 5.6 or later. Before start installation do this support.sugarcrm.com/.../ installation prerequisites. These prerequisites are common for all version of sugarcrm. The prerequisites changes must be done in php.ini file. once this changes done, start sugarcrm installation. You can create virtual host also to use specific domain. 

The mysql(5.7) database is required for SugarCRM. Therefore you need to install wamp version 3.X on you windows 10. So it will install apache sever, mysql database and PHP on your laptop. The elastic search is also required so download elasticsearch 5.6 or later. Before start installation do this support.sugarcrm.com/.../ installation prerequisites. These prerequisites are common for all version of sugarcrm. The prerequisites changes must be done in php.ini file. once this changes done, start sugarcrm installation. You can create virtual host also to use specific domain.