Autoruns 64 Vs Autoruns 64a Jun 2026

If you are using an ARM64 device, using will ensure you have the full picture of your startup configuration.

: The "a" stands for ARM . Use this version only if you have a device with an ARM-based processor, such as a Surface Pro X or a Mac running Windows via Parallels. Why are there so many versions? autoruns 64 vs autoruns 64a

With the rise of ARM64 devices running Windows 11, using the correct binary ensures you are seeing all entry points, including: Emulated x64 processes Emulated x86 processes If you are using an ARM64 device, using

: Use this for 64-bit devices running ARM processors, such as the Microsoft Surface Pro (ARM version) or newer laptops with Snapdragon chips. Understanding the Executable Versions Why are there so many versions

| Feature | Autoruns 64 (x64) | Autoruns 64a (ARM64) | |---------|------------------|----------------------| | | AMD64 / Intel 64 | ARM64 (e.g., Snapdragon) | | Runs on x64 Windows | ✅ Native, best performance | ❌ Won’t start (invalid image) | | Runs on ARM64 Windows | ✅ Via emulation (Prism) | ✅ Native, no emulation | | Registry/WOW64 access | Full native x64 registry view | Full native ARM64 registry view | | Driver scanning | Sees x64 kernel drivers | Sees ARM64 kernel drivers | | Memory footprint | ~3–4 MB | ~2.5–3 MB | | Startup speed (ARM64 host) | ~1.2 seconds (emulated) | ~0.6 seconds (native) |

Run autoruns64.exe .