If your machine has version 1.0.39.1, it likely came from a driver update or a game installed between 2017 and 2018.

It depends. Both offer low-level GPU access. Vulkan is more portable; DirectX 12 is more common on Xbox and Windows. Many developers consider Vulkan easier to debug.

You are not alone. This specific version – 1.0.39.1 – appears on millions of gaming PCs, often installed silently alongside graphics drivers or modern video games. In this deep-dive article, we will explore everything you need to know about the Vulkan Run Time Libraries, with a specific focus on version 1.0.39.1, its purpose, its safety, and whether you should keep or remove it.

is an obsolete, safe, and small graphics API runtime from 2016. It is no longer required on any up-to-date Windows system because modern GPU drivers include far newer Vulkan versions. Uninstalling it leaves full Vulkan support intact (via the driver’s own runtime). Its presence indicates an older software installer or driver component that can be cleaned up.

| If you... | Action | |-----------|--------| | Play no games, use no 3D apps | Safe to uninstall | | Play older games (2016–2019) | Keep it, or update GPU drivers | | Play new AAA games (2023+) | Useless – your driver already has newer Vulkan | | Have limited storage | It’s small (~50-100 MB), no need to remove | | See errors or crashes | Update, don’t just uninstall |