ACR122U Driver 1.1.6.4
by ACSWindows 108.18732-bit64-bitSHA-256 verified
- Manufacturer
- ACS
- Device
- ACR122U
- Driver version
1.1.6.4- Release date
- October 10, 2012
- Supported Windows
- Windows 10, Windows 8.1, Windows 8, Windows 7
- Architecture
- 32-bit (x86), 64-bit (x64)
- File size
- 63 KB
- File name
20537896_660f5e0bfb06bf1cb9e4418dec6c4ba1966b6f13.cab- INF version
10/10/2012,1.1.6.4- INF provider
- ACS
- Device class
- SmartCardReader
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
41871c73c5c06bd4be32cbe12bd1656b0de87238f2e3d2602ccf3e72bbca6298
Supported hardware IDs (1)
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 10, Windows 8.1, Windows 8, Windows 7) and architecture (x86, x64)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).