Add OpenLIteSpeed package from your virtual machine page -> OPS -> + Add new Package. If the package is already added, go to OPS -> Packages -> press Edit for OpenLiteSpeed.
Input a web admin password or leave the field blank to auto-generate.
Go to Firewall settings on your virtual machine page
Press + to add new rule
Enter 7080 under Port Range
Chose My IP under Source or an IP address of your chosing
Enter a name for the new rule (Eg: OLS_admin)
In a new browser window enter the public IP address of your virtual machine followed by :7080
Enter login credentials: User Name: admin ; Password: <your password from step 2>