On all server operating systems, the main step to uninstall 1CRM is to remove the installation directory.
For Windows Server, this folder is C:/wamp/www
For Centos this folder is /var/www/html/1crm
For OS X the folder is /Library/WebServer/Documents/1crm
Once you erase that folder, your 1CRM software has been removed in full.
Next, delete the MySQL database you created for 1CRM, using the command: DROP DATABASE <1crm-database-name>;
Note: Dropping a database can not be undone!
On most platforms, you will not want to remove MySQL or Apache, as they were not installed specifically for using 1CRM. However, on Windows server, as a final step to uninstall 1CRM, you will want to remove WampServer 2.5.
Removing WampServer consists of: