S3 Slstr data download problem

Hi,
i’m trying to make the tuto"ACTIVE FIRE DETECTION WITH SENTINEL-3 SLSTR USING SNAP JUNE 2017, PORTUGAL", the tuto ask to download slstr data from copernicus but i can find the mentionned files. does any ont have this problem before? where can i find slstr data out of copernicus?

https://scihub.copernicus.eu/s3/#/home