Earlier today, we reported on a circumstance in which NVMe SSDs can lose your data, which is a bad situation when you need to preserve said data. However, it turns out that both Windows 11 and 10 have ...

I use http://www.heidi.ie/node/6 for free space wipe within windows. If not running within windows I'd use a linux live cd, although I don't think this meets your gpl ...