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# Installation

**No installation** on your computer is needed.  The software is a web app, which means that it can be accessed using a web browser by pasting this link into its address bar:

[https://prsm.uk/prsm.html](https://prsm.uk/prsm.html)

:::info

You need a modern web browser such as Chrome, Firefox, Microsoft Edge or Safari.  It will not work with Internet Explorer. You can use a monitor and keyboard with a mouse or a trackpad, or a touchscreen on a phone, tablet or interactive display.

:::

The software is free and available under an [MIT](https://choosealicense.com/licenses/mit/) license.
