Rufus is one of the most popular programs for creating bootable USB flash drives.
You can download it from here. The program is completely free.
This is a small utility that is focused on creating bootable flash drives. There are not a lot of features and settings here, which is sometimes a big plus. Of the features of Rufus, it is worth highlighting the function of pre-checking the drive. The program scans the flash drive for bad blocks.
Brief instructions for creating a bootable USB flash drive
Specify the desired flash drive in the "Device" section;
Select the ISO image of Windows 10 using the "Select" button;
If necessary, select the format in the "Partition scheme". If your computer has a BIOS, you must select MBR. Usually, the program chooses the partition scheme by default;
The file system for USB-drives over 4 GB is NTFS, for flash drives less than 4 GB - FAT32;
It remains to press the "Start" button.
For more detailed instructions on how to create a bootable USB flash drive using the Rufus program, see the material - How to create a bootable USB flash drive in Windows?
The main advantage of Rufus over its competitors is its high speed, free distribution, and simplicity. For convenience, a portable version has been created.