refers to the character set (encoding) used for Latin-based languages. How to Legally Access Arial

For those without a bundled license, you can purchase official versions at Adobe Fonts or directly from Monotype. Reliable Free Alternatives

Arial was born from necessity rather than purely aesthetic ambition. In the early 1980s, IBM required a high-quality sans-serif font for its new laser printers but faced licensing hurdles with the popular Helvetica. Monotype’s solution was Arial, a "metrically compatible" alternative that allowed documents to be printed without shifting text or changing layouts.

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