# First start of application
When you install the application, it can run in Demo mode for 30 days.
When starting for the first time, the application will request a set of permissions for proper operation on your device.
Take photos and record videos.
Make and manage calls.
Access to photos and media on your device.
**Language Selection**
You must select the language in which you will use the application. If you want to change the language, click on the flag of the current language and you will be shown a list of languages from which you must select the one you want.
Once you have selected the language press the **Select Language** button. The application will ask you if you want to save the changes made.
**User License Contract**
You must carefully read the End User Software License Agreement and accept it to continue using the application.
**What's new on this version**
You are shown what is new in the current version of the application and its release date.
**Preferences**
If the terminal is not FactoryPOS certified, a group of configuration parameters are displayed:
* **DB location on sdcard:** Select whether you want to locate the database on the SD card of your device.
* **Start FactoryPOS when you turn on the device:** Enable this option to start FactoryPOS every time you reboot the device.
* **Launch screensaver automatically:** Activate if you want the android screensaver to be displayed when you are not using the program.
* **Idle seconds:** If you enable the above option you must enter the seconds of inactivity before displaying the screensaver.
* **Screen size:** Enable to define the screen size manually. Disable to let the application automatically detect the screen size.
* **Device inches:** If you activate the previous option you must enter the inches of your device to correctly adjust the screen layout.
* **Full Screen:** Enable to have the application use the entire screen while hiding the notification bar. Deactivate so that the application does not hide the notification bar.
Once you have finished adjusting the parameters press  to continue with the initial settings of the application.
[**Configuration Wizard**](https://factorypos.gitbook.io/pos-r4-en/first-start-of-application/configuration-wizard)
The configuration wizard will guide you through the configuration of the application according to your specific needs.
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