The steps to use the geospatial data cloud download unit are as follows.

1. Visit the official website of the National Basic Geographic Information Platform and click "Geospatial Data Cloud" to enter the download page.

2. Log in to the geospatial data cloud and choose to log in as "Organization User".

3. On the download page, select the geospatial data type and area to be downloaded.

4. Click the "Download" button and fill in the relevant information according to the prompts, including download purpose, use, unit name, contact person and other information.

5. After submitting the download application, you can download the required geospatial data after it is approved and the corresponding fee is paid.