Originally written by Mark Russinovich and Bryce Cogswell, Autoruns was a 32-bit application designed for Windows NT/2000/XP. As Windows transitioned to 64-bit computing (x64), Sysinternals faced a challenge: .
Appendix — Key action checklist before using either tool
Microsoft has aggressively pushed Windows on ARM. Devices like the Surface Pro X, Lenovo ThinkPad X13s, and the new Surface Laptop Studio 2 (ARM variant) run Windows 11 ARM64. These devices can run x86 and x64 applications through emulation (Prism), but native ARM64 applications run faster, use less battery, and have full access to the underlying hardware without emulation overhead.
If you tell me you are using (e.g., a standard laptop, a Surface Pro, or a custom PC), I can confirm exactly which executable is right for your system.
processors (x64 architecture). It is the version most users should run on a modern 64-bit Windows PC. autoruns64a.exe : The "a" suffix stands for
Download the full Autoruns Suite from Microsoft, then just launch the correct file for your hardware. All versions have identical features.
For most users, is the correct choice. If you attempt to run autoruns64a.exe on a standard Intel or AMD computer, you will likely encounter an error stating that it is "not a valid Win32 application". Conversely, if you are using a newer "Copilot+ PC" or an ARM-based tablet, you should choose the 64a variant for the best experience. Key Features of Autoruns
Originally written by Mark Russinovich and Bryce Cogswell, Autoruns was a 32-bit application designed for Windows NT/2000/XP. As Windows transitioned to 64-bit computing (x64), Sysinternals faced a challenge: .
Appendix — Key action checklist before using either tool autoruns 64 vs autoruns 64a
Microsoft has aggressively pushed Windows on ARM. Devices like the Surface Pro X, Lenovo ThinkPad X13s, and the new Surface Laptop Studio 2 (ARM variant) run Windows 11 ARM64. These devices can run x86 and x64 applications through emulation (Prism), but native ARM64 applications run faster, use less battery, and have full access to the underlying hardware without emulation overhead. Originally written by Mark Russinovich and Bryce Cogswell,
If you tell me you are using (e.g., a standard laptop, a Surface Pro, or a custom PC), I can confirm exactly which executable is right for your system. Devices like the Surface Pro X, Lenovo ThinkPad
processors (x64 architecture). It is the version most users should run on a modern 64-bit Windows PC. autoruns64a.exe : The "a" suffix stands for
Download the full Autoruns Suite from Microsoft, then just launch the correct file for your hardware. All versions have identical features.
For most users, is the correct choice. If you attempt to run autoruns64a.exe on a standard Intel or AMD computer, you will likely encounter an error stating that it is "not a valid Win32 application". Conversely, if you are using a newer "Copilot+ PC" or an ARM-based tablet, you should choose the 64a variant for the best experience. Key Features of Autoruns