# KRA User guide

- [1. Introduction](/kra-docs/kra-user-guide/1.-introduction.md)
- [2. How to submit](/kra-docs/kra-user-guide/2.-how-to-submit.md)
- [2.1 BioProject & BioSample](/kra-docs/kra-user-guide/2.-how-to-submit/2.1-bioproject-and-biosample.md)
- [2.2 File Format Guide](/kra-docs/kra-user-guide/2.-how-to-submit/2.2-file-format-guide.md)
- [2.3 KRA Metadata](/kra-docs/kra-user-guide/2.-how-to-submit/2.3-kra-metadata.md)
- [Making submission in KRA](/kra-docs/kra-user-guide/2.-how-to-submit/2.3-kra-metadata/making-submission-in-kra.md)
- [2.4 KRA File Upload](/kra-docs/kra-user-guide/2.-how-to-submit/2.4-kra-file-upload.md)
- [2.5 Trouble shooting](/kra-docs/kra-user-guide/2.-how-to-submit/2.5-trouble-shooting.md)
- [3. How to update](/kra-docs/kra-user-guide/3.-how-to-update.md)
- [4. How to search and download](/kra-docs/kra-user-guide/4.-how-to-search-and-download.md)
- [5. Frequently asked questions](/kra-docs/kra-user-guide/5.-frequently-asked-questions.md)