I was using CCleaner for sometime and now moved to BleachBit. It's not that easy to use as CCleaner but a better tool at what it does. Wipes stuff thoroughly without leaving any traces. I cannot post links so you can just DuckduckGo 'BleachBit' Hope it helps someone
Scan folders from explorer context menu: link: steffengerlach de freeware "This tool uses a sunburst chart to display the usage of your hard disk or other media. The chart shows all major files and folders from all directory levels at once."