In home page of Zoiper's website，you can choose the language of the site. Click the flag icon on the top right corner, you will find Traditional and Simplified Chinese are both optional.
Double-click Zoiper_Free_2.37_Installer.rar installer
Click Next to continue
Select Agree and Continue
Select the installation directory and continue to
Click the install to complete the automatic installation
Click Finish, zoiper softphone installed.
设置SIP账号，可以点击电话最右端的设置按钮，也可以右击zoiper界面，点击options按钮，选择Add new SIP account
SIP account settings, you can click on the phone right Settings button, you can also right-click the zoiper interface, click the options button, select Add new SIP the account
SIP account that corresponds to the system to add a type of SIP extension device, open the Device Manager page, double-click a device record to open the following interface:
The figure above red font identifies the correspondence between the corresponding item in the device information the zoiper in SIP account settings
Username：Fill in the identity of the extension
Password：Fill in the password for the extension
Caller ID Name：Fill in the extension number
Click OK to submit set
Submitted as a normal registration, display Registered information