3 files changed, 21 insertions, 0 deletions
diff --git a/Demos/Device/LowLevel/CDC/CDC.txt b/Demos/Device/LowLevel/CDC/CDC.txt
index 397ed361f..ec3b756ac 100644
--- a/Demos/Device/LowLevel/CDC/CDC.txt
+++ b/Demos/Device/LowLevel/CDC/CDC.txt
@@ -63,6 +63,13 @@
  *  Operating Systems should automatically use their own inbuilt
  *  CDC-ACM drivers.
  *
+ *  On 64 bit versions of Windows, the OS requires all drivers to
+ *  be digitally signed before it will allow them to be installed. As
+ *  Windows' own CDC driver (which the supplied INF file references)
+ *  is not signed, you will need to reboot, press F8 before Windows
+ *  begins to load and select "Disable Driver Signature Enforcement"
+ *  to allow the CDC driver to install.
+ *
  *  \section SSec_Options Project Options
  *
  *  The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
diff --git a/Demos/Device/LowLevel/DualCDC/DualCDC.txt b/Demos/Device/LowLevel/DualCDC/DualCDC.txt
index eece70614..265004a1d 100644
--- a/Demos/Device/LowLevel/DualCDC/DualCDC.txt
+++ b/Demos/Device/LowLevel/DualCDC/DualCDC.txt
@@ -75,6 +75,13 @@
  *  Operating Systems should automatically use their own inbuilt
  *  CDC-ACM drivers.
  *
+ *  On 64 bit versions of Windows, the OS requires all drivers to
+ *  be digitally signed before it will allow them to be installed. As
+ *  Windows' own CDC driver (which the supplied INF file references)
+ *  is not signed, you will need to reboot, press F8 before Windows
+ *  begins to load and select "Disable Driver Signature Enforcement"
+ *  to allow the CDC driver to install.
+ *
  *  \section SSec_Options Project Options
  *
  *  The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
diff --git a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.txt b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.txt
index bdca6f947..efc361961 100644
--- a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.txt
+++ b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.txt
@@ -63,6 +63,13 @@
  *  Operating Systems should automatically use their own inbuilt
  *  CDC-ACM drivers.
  *
+ *  On 64 bit versions of Windows, the OS requires all drivers to
+ *  be digitally signed before it will allow them to be installed. As
+ *  Windows' own CDC driver (which the supplied INF file references)
+ *  is not signed, you will need to reboot, press F8 before Windows
+ *  begins to load and select "Disable Driver Signature Enforcement"
+ *  to allow the CDC driver to install.
+ *
  *  \section SSec_Options Project Options
  *
  *  The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.