# Eyes Protection Reminder - Usage
## Requirements
- Windows OS such as:
- Windows XP
- Windows 7
- Windows 8/8.1
- Windows 10
- Windows 11
## Usage
### Download Eyes Protection Reminder
You can download the binary in [here](https://github.com/hardingadonis/Eyes_Protection_Reminder/releases/tag/v4.1.2).
Choose one of two:
- *.Windows.x86 for Windows 32 bit.
- *.Windows.x64 for Windows 64 bit.
### Extract and open Eyes Protection Reminder
After downloading **Eyes Protection Reminder**, we will extract and run it.
This is the main interface of **Eyes Protection Reminder**.
### Main functions
- **Start** button to begin the timer.
- **Stop** button to stop the timer.
- When the timer is over, **Eyes Protection Reminder** will send a notification for you like this:
## Hotkey
- **F1**: to open **About Dialog**.
- **F2**: to hide **Eyes Protection Reminder**.
- **F3**: to open **Settings Dialog**.
- **Alt+F4**: to exit **Eyes Protection Reminder**.