Assuming you require a Debian distribution package, follow these simple steps to installation.
Open your terminal with:
Go to the website and download the tar.gz of the IDE.
Extract the WebStorm.tar.gz file in your preferred location. In your Terminal run the following command:
tar -zxvf PhpStorm.tar.gz
Open the directory:
In your Terminal, run:
An icon will be created in the Application list. The application will open once you run the command.
If you need to open the application you can do so from the Unity Dash.
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