I'm trying to reformat my hard drive (only have one) and it won't let me b/c the os is on the hard drive. I tried creating a start-up disk with Windows XP so that I could boot to DOS and format from a ...

Here are the best free USB flash drive format tools for Windows 11/10 that you can use to format a USB or flash drive: USB Disk Storage Format Tool. Rufus. PenFormat EaseUS Partition Master Free ...