Microsoft Defender on Windows on ARM
Microsoft · Security & PasswordsYESAn official ARM64 build is available.
Confirmed Apr 17, 2026 · tested by Microsoft
Details
- ARCHITECTURE
- ARM64 (native)
- BUILD
- Official
- GET IT FROM
- Built-in
- LICENSE
- Free
- PUBLISHER
- Microsoft
- CONFIRMED NATIVE
- Apr 17, 2026
- TESTED BY
- Microsoft
- DOWNLOAD LINK CHECKED
- Pending
- ARM64 PROOF
- Not yet checked
- SOURCES
- Our research, armrepo community list, Works on WoA (Linaro)
Make sure it's running native
- 01Open Microsoft Defender, then press Ctrl + Shift + Esc to open Task Manager.
- 02On the Details page, right-click a column header, choose Select columns, and tick Architecture.
- 03Find its process. ARM64 means native. x64 means you have the emulated build, so reinstall it from the link above.
Questions
Does Microsoft Defender run natively on Windows on ARM?
Yes. Microsoft publishes an official ARM64 build.
Where do I download Microsoft Defender for ARM64?
Use the built-in link on this page. If Task Manager shows the app as x64 after installing, you have the emulated build.
Will Microsoft Defender run on a Snapdragon X laptop or Copilot+ PC?
Yes. The ARM64 build runs on any Windows 11 on ARM PC, including Snapdragon X-series laptops, Surface Pro and Surface Laptop, and other Copilot+ PCs.