# 3di User Guide

## 3di User Guide

- [Overview](https://docs.ixdx.org/readme.md)
- [Key concepts](https://docs.ixdx.org/readme/key-concepts.md)
- [Using the software](https://docs.ixdx.org/using-the-software.md)
- [Frontend and backends](https://docs.ixdx.org/using-the-software/frontend-and-backends.md)
- [Starting the 3di](https://docs.ixdx.org/using-the-software/starting-the-3di.md)
- [The main menu](https://docs.ixdx.org/using-the-software/the-main-menu.md)
- [Starting an interview](https://docs.ixdx.org/using-the-software/starting-an-interview.md)
- [Conducting an interview](https://docs.ixdx.org/using-the-software/conducting-an-interview.md)
- [Routes](https://docs.ixdx.org/using-the-software/routes.md)
- [Reports](https://docs.ixdx.org/using-the-software/reports.md)
- [Report structure](https://docs.ixdx.org/using-the-software/report-structure.md)
- [Pre-entry forms](https://docs.ixdx.org/using-the-software/pre-entry-forms.md)
- [Route reports](https://docs.ixdx.org/using-the-software/route-reports.md)
- [Comorbidities](https://docs.ixdx.org/using-the-software/comorbidities.md)
- [Question types](https://docs.ixdx.org/using-the-software/question-types.md)
- [Exporting data to SPSS](https://docs.ixdx.org/using-the-software/spss.md)
- [Clinical background](https://docs.ixdx.org/clinical-background.md)
- [The four ASD assessments](https://docs.ixdx.org/clinical-background/the-four-asd-assessments.md)
- [A brief history](https://docs.ixdx.org/clinical-background/a-brief-history.md)
- [Setup](https://docs.ixdx.org/setup.md)
- [The 3di licence](https://docs.ixdx.org/setup/the-3di-licence.md)
- [Installation](https://docs.ixdx.org/setup/installation.md)
- [Looking after your data](https://docs.ixdx.org/setup/looking-after.md)
- [Upgrading](https://docs.ixdx.org/setup/upgrading.md)
- [Renaming of old routes](https://docs.ixdx.org/setup/renaming-of-old-routes.md)
- [Release notes](https://docs.ixdx.org/setup/changelog.md): Summary of changes to the software by version
- [Troubleshooting](https://docs.ixdx.org/setup/troubleshooting.md)
- [Installation (pre 2021)](https://docs.ixdx.org/setup/installation-old.md)