# Overview
Data upload is the first step in the analysis. Generally, four data types are required:
1. 1. 1. 1. Sequencing data (read files)
2. Reference genomes
3. Annotation files
4. Metadata
Click the  icon in the Utilities menu to access the Uploader window. Each data type is uploaded from a separate tab and follows the following three high-level steps:
1. 1. 1. 1. 1. 1. Define the data types with correct tags
2. Verify and check for its existence in users account, format, and name conflicts
3. Upload
Pre-configured references and annotation files are available for the model organisms.
