: C:\Program Files (x86)\Cypress\EZ-USB FX3 SDK\1.3\driver\bin
A: Yes, the version from Suite USB 3.4.7 or FX3 SDK 1.3.4 is fully compatible with Windows 11, both x86 and x64. cyusb3.sys driver download
The cyusb3.sys file is a for Windows. Unlike generic USB drivers provided by Microsoft, this specific driver is required for: : C:\Program Files (x86)\Cypress\EZ-USB FX3 SDK\1