diff --git a/tooling/ReproducibleBuilds.MD b/tooling/ReproducibleBuilds.MD
old mode 100644
new mode 100755
index bf930e86d..ad565403d
--- a/tooling/ReproducibleBuilds.MD
+++ b/tooling/ReproducibleBuilds.MD
@@ -54,10 +54,10 @@ The patching process involves:
 
 #### Tooling setup:
 
-1. The comparable patch tools, tooling/src/c/WindowsUpdateVsVersionInfo.c and src/java/temurin/tools/BinRepl.java need compiling
+1. The comparable patch tools, (Windows only)tooling/src/c/WindowsUpdateVsVersionInfo.c and src/java/temurin/tools/BinRepl.java need compiling
 before the comparable_patch.sh can be run
 
-2. Compile tooling/src/c/WindowsUpdateVsVersionInfo.c :
+2. Compile tooling/src/c/WindowsUpdateVsVersionInfo.c (Windows only):
 
 - Ensure VS2022 SDK is installed and on PATH
 - Compile:
@@ -70,12 +70,12 @@ before the comparable_patch.sh can be run
 - cd tooling/src/java
 - javac temurin/tools/BinRepl.java
 
-4. Setting environment within a CYGWIN shell :
+4. Setting environment within a shell :
 
+- [Windows only] For WindowsUpdateVsVersionInfo.exe : export PATH=<temurin-build>/tooling/src/c:$PATH
+- [Windows only] For dumpbin.exe MSVC tool : export PATH=/cygdrive/c/progra\~1/micros\~2/2022/Community/VC/Tools/MSVC/14.37.32822/bin/Hostx64/x64:$PATH
 - For BinRepl : export CLASSPATH=<temurin-build>/tooling/src/java:$CLASSPATH
-- For WindowsUpdateVsVersionInfo.exe : export PATH=<temurin-build>/tooling/src/c:$PATH
-- For dumpbin.exe MSVC tool : export PATH=/cygdrive/c/progra\~1/micros\~2/2022/Community/VC/Tools/MSVC/14.37.32822/bin/Hostx64/x64:$PATH
-- For running BinRepl java : export PATH=<jdk>/bin:$PATH
+- A JDK for running BinRepl java : export PATH=<jdk>/bin:$PATH
 
 #### Running comparable_patch.sh:
 
@@ -84,7 +84,7 @@ before the comparable_patch.sh can be run
 2. Run comparable_patch.sh
 
 ```bash
-bash comparable_patch.sh <jdk_home_dir> <version_str> <vendor_name> <vendor_url> <vendor_bug_url> <vendor_vm_bug_url>
+bash comparable_patch.sh --jdk-dir "<jdk_home_dir>" --version-string "<version_str>" --vendor-name "<vendor_name>" --vendor_url "<vendor_url>" --vendor-bug-url "<vendor_bug_url>" --vendor-vm-bug-url "<vendor_vm_bug_url>" [--patch-vs-version-info]
 ```
 
 The Vendor strings and urls can be found by running your jdk's "java -XshowSettings":
@@ -102,7 +102,7 @@ java -XshowSettings:
 eg.
 
 ```bash
-bash comparable_patch.sh jdk1/jdk-21.0.1+12 "Temurin-21.0.1+12" "Eclipse Adoptium" "https://adoptium.net/" "https://github.com/adoptium/adoptium-support/issues" "https://github.com/adoptium/adoptium-support/issues"
+bash ./comparable_patch.sh --jdk-dir "jdk1/jdk-21.0.1+12" --version-string "Temurin-21.0.1+12" --vendor-name "Eclipse Adoptium" --vendor_url "https://adoptium.net/" --vendor-bug-url "https://github.com/adoptium/adoptium-support/issues" --vendor-vm-bug-url "https://github.com/adoptium/adoptium-support/issues"
 ```
 
 3. Unzip the other Vendor JDK to compare with, say into "jdk2", and run a similar comparable_patch.sh
diff --git a/tooling/comparable_patch.sh b/tooling/comparable_patch.sh
index 52003b1ba..d29722d9b 100755
--- a/tooling/comparable_patch.sh
+++ b/tooling/comparable_patch.sh
@@ -28,17 +28,59 @@ set -eu
 
 TEMURIN_TOOLS_BINREPL="temurin.tools.BinRepl"
 
-if [ "$#" -ne 6 ]; then
-  echo "Syntax: comparable_patch.sh <jdk_home_dir> <version_str> <vendor_name> <vendor_url> <vendor_bug_url> <vendor_vm_bug_url>"
+JDK_DIR=""
+VERSION_REPL=""
+VENDOR_NAME=""
+VENDOR_URL=""
+VENDOR_BUG_URL=""
+VENDOR_VM_BUG_URL=""
+PATCH_VS_VERSION_INFO=false
+
+# Parse arguments
+while [[ $# -gt 0 ]] && [[ ."$1" = .-* ]] ; do
+  opt="$1";
+  shift;
+
+  case "$opt" in
+        "--jdk-dir" )
+        JDK_DIR="$1"; shift;;
+
+        "--version-string" )
+        VERSION_REPL="$1"; shift;;
+
+        "--vendor-name" )
+        VENDOR_NAME="$1"; shift;;
+
+        "--vendor_url" )
+        VENDOR_URL="$1"; shift;;
+
+        "--vendor-bug-url" )
+        VENDOR_BUG_URL="$1"; shift;;
+
+        "--vendor-vm-bug-url" )
+        VENDOR_VM_BUG_URL="$1"; shift;;
+
+        "--patch-vs-version-info" )
+        PATCH_VS_VERSION_INFO=true;;
+
+        *) echo >&2 "Invalid option: ${opt}"; exit 1;;
+  esac
+done
+
+if [ -z "$JDK_DIR" ] || [ -z "$VERSION_REPL" ] || [ -z "$VENDOR_NAME" ] || [ -z "$VENDOR_URL" ] || [ -z "$VENDOR_BUG_URL" ] || [ -z "$VENDOR_VM_BUG_URL" ]; then
+  echo "Error: Missing argument"
+  echo 'Syntax: comparable_patch.sh --jdk-dir "<jdk_home_dir>" --version-string "<version_str>" --vendor-name "<vendor_name>" --vendor_url "<vendor_url>" --vendor-bug-url "<vendor_bug_url>" --vendor-vm-bug-url "<vendor_vm_bug_url>" [--patch-vs-version-info]'
   exit 1
 fi
 
-JDK_DIR="$1"
-VERSION_REPL="$2"
-VENDOR_NAME="$3"
-VENDOR_URL="$4"
-VENDOR_BUG_URL="$5"
-VENDOR_VM_BUG_URL="$6"
+echo "Patching:"
+echo "  JDK_DIR=$JDK_DIR"
+echo "  VERSION_REPL=$VERSION_REPL"
+echo "  VENDOR_NAME=$VENDOR_NAME"
+echo "  VENDOR_URL=$VENDOR_URL"
+echo "  VENDOR_BUG_URL=$VENDOR_BUG_URL"
+echo "  VENDOR_VM_BUG_URL=$VENDOR_VM_BUG_URL"
+echo "  PATCH_VS_VERSION_INFO=$PATCH_VS_VERSION_INFO"
 
 # Remove excluded files known to differ
 #  NOTICE - Vendor specfic notice text file
@@ -206,7 +248,13 @@ function removeSystemModulesHashBuilderParams() {
 #   reprohex  - A hex UUID to identify the binary version, again generated from binary content
 function removeWindowsNonComparableData() {
  echo "Removing EXE/DLL timestamps, CRC and debug repro hex from ${JDK_DIR}"
- FILES=$(find "${JDK_DIR}" -type f -path '*.exe' && find "${JDK_DIR}" -type f -path '*.dll')
+
+ # We need to do this for all executables if patching VS_VERSION_INFO
+ if [[ "$PATCH_VS_VERSION_INFO" = true ]]; then
+    FILES=$(find "${JDK_DIR}" -type f -path '*.exe' && find "${JDK_DIR}" -type f -path '*.dll')
+ else
+    FILES=$(find "${JDK_DIR}" -type f -name 'jvm.dll')
+ fi
  for f in $FILES
   do
     echo "Removing EXE/DLL non-comparable timestamp, CRC, debug repro hex from $f"
@@ -314,12 +362,18 @@ function neutraliseVsVersionInfo() {
 # Remove Vendor name from all binaries
 function removeVendorName() {
   echo "Removing Vendor name: $VENDOR_NAME from binaries from ${JDK_DIR}"
+
   if [[ "$OS" =~ CYGWIN* ]]; then
-   FILES=$(find "${JDK_DIR}" -type f -path '*.exe' && find "${JDK_DIR}" -type f -path '*.dll')
+    # We need to do this for all executables if patching VS_VERSION_INFO
+    if [[ "$PATCH_VS_VERSION_INFO" = true ]]; then
+      FILES=$(find "${JDK_DIR}" -type f -path '*.exe' && find "${JDK_DIR}" -type f -path '*.dll')
+    else
+      FILES=$(find "${JDK_DIR}" -type f -name 'jvm.dll')
+    fi
   elif [[ "$OS" =~ Darwin* ]]; then
-   FILES=$(find "${JDK_DIR}" -type f -path '*.dylib')
+   FILES=$(find "${JDK_DIR}" -type f -name 'libjvm.dylib')
   else
-   FILES=$(find "${JDK_DIR}" -type f -path '*.so')
+   FILES=$(find "${JDK_DIR}" -type f -name 'libjvm.so')
   fi
   for f in $FILES
     do
@@ -467,16 +521,20 @@ echo "Successfully removed all Signatures from ${JDK_DIR}"
 
 removeExcludedFiles
 
+# Needed due to vendor variation in jmod re-packing after signing, putting attributes in different order
 processModuleInfo
 
-removeSystemModulesHashBuilderParams
-
-if [[ "$OS" =~ CYGWIN* ]]; then
+# Patch Windows VS_VERSION_INFO[COMPANY_NAME]
+if [[ "$OS" =~ CYGWIN* ]] && [[ "$PATCH_VS_VERSION_INFO" = true ]]; then
+  # Neutralise COMPANY_NAME
   neutraliseVsVersionInfo
+
+  # SystemModules$*.class's differ due to hash differences from COMPANY_NAME
+  removeSystemModulesHashBuilderParams
 fi
 
 if [[ "$OS" =~ CYGWIN* ]]; then
- removeWindowsNonComparableData
+   removeWindowsNonComparableData
 fi
 
 if [[ "$OS" =~ Darwin* ]]; then