You can mount it in a virtual machine directly (no conversion). You can also burn it to a dual-layer DVD (8.5GB) for a physical backup.
: Even with a standard ISO, users can typically select "French" at the initial boot screen or through the language chooser during the setup process. Known Bugs
If you cannot create your own, use only reputable sources known for hosting old macOS installers (e.g., Internet Archive’s software collection). Look for user comments and checksums.
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