Downloading and installing Singulier is straightforward:
Technically, . Singulier was an exclusive family for YSL until 2013 and is now a commercial product. singulier font free
If you are looking for a similar modern, geometric, or clean sans-serif aesthetic without the licensing fee, consider these reputable open-source alternatives: Are Fonts Free for Commercial Use? - YouWorkForThem singulier font free
If you love the Singulier look but have no budget, use these open-source or free fonts with similar characteristics: singulier font free
Also by Jean-Baptiste Levée, this is a retail font influenced by similar Cassandre-style lettering. It’s the "public" cousin to Singulier.