Il te faut un logiciel qui utilise les fonctions OpenType, comme Illustrator par exemple : https://helpx.adobe.com/illustrator/using/special-characters.html
Hard to be absolutely sure at that size, but you should try this one.
C'est un "m" minuscule qui a été un peu étiré.
It happened to everybody at least once
I understand what you mean, but if you asked for a "license", and the author gave you the link, it means he answered your question. You need to explain what you want more accurately in order to get it.
The license is generally a text about what you can and can't do with the font. You might be talking more about some sort of receipt/invoice? If you need something specific, you should ask the author. Things that go without saying are always best being said
You're welcome. What's wrong with SIL Open Font License?
If it is not included in the zip file, you should ask the author.
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