ISO image is typically used to store operating system installers and needs to be burned to writable optical media such as CDR, CDRW, DVDR, DVDRW, BD-R, and BD-RW before it can be used.
Windows comes with Windows Disc Image Burner tool that can burn ISO images to optical discs without the need for commercial, third-party software. The tool is accessible from File Explorer, making it handy to use.
Steps to burn ISO image to optical disc in Windows 11:
Insert writable CD / DVD / Blue Ray disc in optical drive slot.
Launch
File Explorer.

Locate
ISO image file.

Right-click on
ISO image file.

Click on
Show more options from the menu.

Click on
Burn disc image to open
Windows Disc Image Burner.

Select drive letter from
Disc burner if you have multiple optical drives and click on
Burn.

Wait for ISO image to finish burning to disc.
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