1. From the left hand-side of your window, choose the categories you wish to redact by clicking on the "R" icon – this will redact all instances of the asset in the file.

2. To redact only particular instances of an asset, click the drop down arrow next to it to view the individual occurrences. Then click on the "R" icon next to the term you wish to redact.

3. Alternatively you can use the redaction tool at the top of the page to draw redaction boxes by clicking and dragging over an area of the file.