For this type of code, go to base64decode.org. There are two boxes, one at the top and one at the bottom.
1. Copy and paste the code into the first box, then click the “Decode” button.
2. Copy the text that appears in the second box.
3. Paste it into the first box, and the link to the files will appear in the second box.
The website tells you where to copy and paste the code you want to decode and where the result will appear.