diff --git a/scripts/win-installer/build-win-installer.ps1 b/scripts/win-installer/build-win-installer.ps1
index 4265edf8e..d08ee186c 100644
--- a/scripts/win-installer/build-win-installer.ps1
+++ b/scripts/win-installer/build-win-installer.ps1
@@ -89,18 +89,53 @@ Write-Output "Windows version info: $VersionInfo"
 #-----------------------------------------------------------------------------
 
 # Locate OpenSSL root from local installation.
-$SslRoot = @{
-    "x64" = "C:\Program Files\OpenSSL-Win64";
-    "Win32" = "C:\Program Files (x86)\OpenSSL-Win32"
+# After version 3.something, OpenSSL has changed its installation layout.
+# We have to look for OpenSSL libraries in various locations.
+$SSL = @{
+    "x64" = @{
+        "alt" = "Win64";
+        "bits" = 64;
+        "root" = "C:\Program Files\OpenSSL-Win64"
+    };
+    "Win32" = @{
+        "alt" = "x86";
+        "bits" = 32;
+        "root" = "C:\Program Files (x86)\OpenSSL-Win32"
+    }
 }
 
-# Verify OpenSSL directories.
+# Verify OpenSSL directories and static libraries.
+Write-Output "Searching OpenSSL libraries ..."
 $Missing = 0
-foreach ($file in @($SslRoot["x64"], $SslRoot["Win32"])) {
-    if (-not (Test-Path $file)) {
-        Write-Output "**** Missing $file"
+foreach ($arch in @("x64", "Win32")) {
+    $root = $SSL[$arch]["root"]
+    $bits = $SSL[$arch]["bits"]
+    $alt = $SSL[$arch]["alt"]
+    if (-not (Test-Path $root)) {
+        Write-Output "**** Missing $root"
         $Missing = $Missing + 1
     }
+    else {
+        foreach ($lib in @("ssl", "crypto")) {
+            foreach ($conf in @("MD", "MDd")) {
+                $name = "lib${lib}${conf}"
+                $SSL[$arch][$name] = ""
+                foreach ($try in @("$root\lib\VC\static\lib${lib}${bits}${conf}.lib",
+                                   "$root\lib\VC\${arch}\${conf}\lib${lib}_static.lib",
+                                   "$root\lib\VC\${alt}\${conf}\lib${lib}_static.lib")) {
+                    if (Test-Path $try) {
+                        $SSL[$arch][$name] = $try
+                        New-Variable "lib${lib}${bits}${conf}" "$try"
+                        break
+                    }
+                }
+                if (-not $SSL[$arch][$name]) {
+                    Write-Output "**** OpenSSL static library for $name not found"
+                    $Missing = $Missing + 1
+                }
+            }
+        }
+    }
 }
 if ($Missing -gt 0) {
     Exit-Script "Missing $Missing OpenSSL files, use install-openssl.ps1 to install OpenSSL"
@@ -157,7 +192,7 @@ foreach ($Platform in @("x64", "Win32")) {
 
     # Run CMake.
     Write-Output "Configuring build for platform $Platform ..."
-    $SRoot = $SslRoot[$Platform]
+    $SRoot = $SSL[$Platform]["root"]
     & $CMake -S $RepoDir -B $BuildDir -A $Platform `
         -DENABLE_STDCXX_SYNC=ON `
         -DOPENSSL_ROOT_DIR="$SRoot" `
@@ -210,6 +245,14 @@ Write-Output "Building installer ..."
     /DOutDir="$OutDir" `
     /DBuildRoot="$TmpDir" `
     /DRepoDir="$RepoDir" `
+    /Dlibssl32MD="$libssl32MD" `
+    /Dlibssl32MDd="$libssl32MDd" `
+    /Dlibcrypto32MD="$libcrypto32MD" `
+    /Dlibcrypto32MDd="$libcrypto32MDd" `
+    /Dlibssl64MD="$libssl64MD" `
+    /Dlibssl64MDd="$libssl64MDd" `
+    /Dlibcrypto64MD="$libcrypto64MD" `
+    /Dlibcrypto64MDd="$libcrypto64MDd" `
     "$ScriptDir\libsrt.nsi" 
 
 if (-not (Test-Path $InstallExe)) {
diff --git a/scripts/win-installer/install-openssl.ps1 b/scripts/win-installer/install-openssl.ps1
index 83b59954f..e24cecc57 100644
--- a/scripts/win-installer/install-openssl.ps1
+++ b/scripts/win-installer/install-openssl.ps1
@@ -1,7 +1,7 @@
 #-----------------------------------------------------------------------------
 #
 #  SRT - Secure, Reliable, Transport
-#  Copyright (c) 2021, Thierry Lelegard
+#  Copyright (c) 2021-2024, Thierry Lelegard
 # 
 #  This Source Code Form is subject to the terms of the Mozilla Public
 #  License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -36,7 +36,26 @@ param(
 )
 
 Write-Output "OpenSSL download and installation procedure"
-$OpenSSLHomePage = "http://slproweb.com/products/Win32OpenSSL.html"
+
+# A bit of history: Where to load OpenSSL binaries from?
+#
+# The packages are built by "slproweb". The binaries are downloadable from
+# their Web page at: http://slproweb.com/products/Win32OpenSSL.html
+#
+# Initially, the HTML for this page was built on server-side. This script
+# grabbed the URL content, parse the HTML and extracted the URL of the
+# binaries for the latest OpenSSL packages from the "href" of the links.
+#
+# At some point in 2024, the site changed policy. The Web page is no longer
+# built on server-side, but on client-side. The downloaded HTML contains some
+# JavaScript which dynamically builds the URL of the binaries for the latest
+# OpenSSL binaries. The previous method now finds no valid package URL from
+# the downloaded page (a full browser is needed to execute the JavaScript).
+# The JavaScript downloads a JSON file which contains all references to
+# the OpenSSL binaries. This script now uses the same method: download that
+# JSON file and parse it.
+
+$PackageList = "https://github.com/slproweb/opensslhashes/raw/master/win32_openssl_hashes.json"
 
 # A function to exit this script.
 function Exit-Script([string]$Message = "")
@@ -62,11 +81,11 @@ $TmpDir = "$RootDir\tmp"
 # Without this, Invoke-WebRequest is awfully slow.
 $ProgressPreference = 'SilentlyContinue'
 
-# Get the HTML page for OpenSSL downloads.
+# Get the JSON configuration file for OpenSSL downloads.
 $status = 0
 $message = ""
 try {
-    $response = Invoke-WebRequest -UseBasicParsing -UserAgent Download -Uri $OpenSSLHomePage
+    $response = Invoke-WebRequest -UseBasicParsing -UserAgent Download -Uri $PackageList
     $status = [int] [Math]::Floor($response.StatusCode / 100)
 }
 catch {
@@ -77,22 +96,27 @@ if ($status -ne 1 -and $status -ne 2) {
         Exit-Script "Status code $($response.StatusCode), $($response.StatusDescription)"
     }
     else {
-        Exit-Script "#### Error accessing ${OpenSSLHomePage}: $message"
+        Exit-Script "#### Error accessing ${PackageList}: $message"
     }
 }
+$config = ConvertFrom-Json $Response.Content
+
+# Download and install MSI packages for 32 and 64 bit.
+foreach ($bits in @(32, 64)) {
+
+    # Get the URL of the MSI installer from the JSON config.
+    $Url = $config.files | Get-Member | ForEach-Object {
+        $name = $_.name
+        $info = $config.files.$($_.name)
+        if (-not $info.light -and $info.installer -like "msi" -and $info.bits -eq $bits -and $info.arch -like "intel") {
+            $info.url
+        }
+    } | Select-Object -Last 1
+    if (-not $Url) {
+        Exit-Script "#### No MSI installer found for Win${bits}"
+    }
 
-# Parse HTML page to locate the latest MSI files.
-$Ref32 = $response.Links.href | Where-Object { $_ -like "*/Win32OpenSSL-*.msi" } | Select-Object -First 1
-$Ref64 = $response.Links.href | Where-Object { $_ -like "*/Win64OpenSSL-*.msi" } | Select-Object -First 1
-
-# Build the absolute URL's from base URL (the download page) and href links.
-$Url32 = New-Object -TypeName 'System.Uri' -ArgumentList ([System.Uri]$OpenSSLHomePage, $Ref32)
-$Url64 = New-Object -TypeName 'System.Uri' -ArgumentList ([System.Uri]$OpenSSLHomePage, $Ref64)
-
-# Download and install one MSI package.
-function Download-Install([string]$Url)
-{
-    $MsiName = (Split-Path -Leaf $Url.toString())
+    $MsiName = (Split-Path -Leaf $Url)
     $MsiPath = "$TmpDir\$MsiName"
 
     if (-not $ForceDownload -and (Test-Path $MsiPath)) {
@@ -113,7 +137,4 @@ function Download-Install([string]$Url)
     }
 }
 
-# Download and install the two MSI packages.
-Download-Install $Url32
-Download-Install $Url64
 Exit-Script
diff --git a/scripts/win-installer/libsrt.nsi b/scripts/win-installer/libsrt.nsi
index 1dffc3fd1..022ceb617 100644
--- a/scripts/win-installer/libsrt.nsi
+++ b/scripts/win-installer/libsrt.nsi
@@ -31,8 +31,6 @@ Caption "SRT Libraries Installer"
 !define ProductName "libsrt"
 !define Build32Dir  "${BuildRoot}\build.Win32"
 !define Build64Dir  "${BuildRoot}\build.x64"
-!define SSL32Dir    "C:\Program Files (x86)\OpenSSL-Win32"
-!define SSL64Dir    "C:\Program Files\OpenSSL-Win64"
 
 ; Installer file information.
 VIProductVersion ${VersionInfo}
@@ -142,26 +140,26 @@ Section "Install"
     CreateDirectory "$INSTDIR\lib\Release-x64"
     SetOutPath "$INSTDIR\lib\Release-x64"
     File /oname=srt.lib       "${Build64Dir}\Release\srt_static.lib"
-    File /oname=libcrypto.lib "${SSL64Dir}\lib\VC\static\libcrypto64MD.lib"
-    File /oname=libssl.lib    "${SSL64Dir}\lib\VC\static\libssl64MD.lib"
+    File /oname=libcrypto.lib "${libcrypto64MD}"
+    File /oname=libssl.lib    "${libssl64MD}"
 
     CreateDirectory "$INSTDIR\lib\Debug-x64"
     SetOutPath "$INSTDIR\lib\Debug-x64"
     File /oname=srt.lib       "${Build64Dir}\Debug\srt_static.lib"
-    File /oname=libcrypto.lib "${SSL64Dir}\lib\VC\static\libcrypto64MDd.lib"
-    File /oname=libssl.lib    "${SSL64Dir}\lib\VC\static\libssl64MDd.lib"
+    File /oname=libcrypto.lib "${libcrypto64MDd}"
+    File /oname=libssl.lib    "${libssl64MDd}"
 
     CreateDirectory "$INSTDIR\lib\Release-Win32"
     SetOutPath "$INSTDIR\lib\Release-Win32"
     File /oname=srt.lib       "${Build32Dir}\Release\srt_static.lib"
-    File /oname=libcrypto.lib "${SSL32Dir}\lib\VC\static\libcrypto32MD.lib"
-    File /oname=libssl.lib    "${SSL32Dir}\lib\VC\static\libssl32MD.lib"
+    File /oname=libcrypto.lib "${libcrypto32MD}"
+    File /oname=libssl.lib    "${libssl32MD}"
 
     CreateDirectory "$INSTDIR\lib\Debug-Win32"
     SetOutPath "$INSTDIR\lib\Debug-Win32"
     File /oname=srt.lib       "${Build32Dir}\Debug\srt_static.lib"
-    File /oname=libcrypto.lib "${SSL32Dir}\lib\VC\static\libcrypto32MDd.lib"
-    File /oname=libssl.lib    "${SSL32Dir}\lib\VC\static\libssl32MDd.lib"
+    File /oname=libcrypto.lib "${libcrypto32MDd}"
+    File /oname=libssl.lib    "${libssl32MDd}"
 
     ; Add an environment variable to installation root.
     WriteRegStr HKLM ${EnvironmentKey} "LIBSRT" "$INSTDIR"