Hello. The create mod is on version 1.3 in CurseForge. I was wondering how to get version 1.5. Thanks

I think you're looking for the Create mod, this is a modpack using Create and a bunch of other mods. As far as I know there's no official release after 1.3 for the modpack.

You can download Create 0.5.1b from here: https://www.curseforge.com/minecraft/mc-mods/create/files