diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7345ffe90..16c9290f2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -81,6 +81,8 @@ jobs:
             qt_arch: ""
             qt_version: "6.7.2"
             qt_modules: "qt5compat qtimageformats qtnetworkauth"
+            nscurl_tag: "v24.9.26.122"
+            nscurl_sha256: "AEE6C4BE3CB6455858E9C1EE4B3AFE0DB9960FA03FE99CCDEDC28390D57CCBB0"
 
           - os: windows-2022
             name: "Windows-MSVC-arm64"
@@ -92,6 +94,8 @@ jobs:
             qt_arch: "win64_msvc2019_arm64"
             qt_version: "6.7.2"
             qt_modules: "qt5compat qtimageformats qtnetworkauth"
+            nscurl_tag: "v24.9.26.122"
+            nscurl_sha256: "AEE6C4BE3CB6455858E9C1EE4B3AFE0DB9960FA03FE99CCDEDC28390D57CCBB0"
 
           - os: macos-14
             name: macOS
@@ -472,8 +476,13 @@ jobs:
         if: runner.os == 'Windows'
         run: |
           New-Item -Name NSISPlugins -ItemType Directory
-          Invoke-Webrequest https://github.com/negrutiu/nsis-nscurl/releases/latest/download/NScurl.zip -OutFile NSISPlugins\NScurl.zip
-          Expand-Archive -Path NSISPlugins\NScurl.zip -DestinationPath NSISPlugins\NSIScurl
+          Invoke-Webrequest https://github.com/negrutiu/nsis-nscurl/releases/download/${{ matrix.nscurl_tag }}/NScurl.zip -OutFile NSISPlugins\NScurl.zip
+          $nscurl_hash = Get-FileHash NSISPlugins\NScurl.zip -Algorithm Sha256 | Select-Object -ExpandProperty Hash
+          if ( $nscurl_hash -ne "${{ matrix.nscurl_sha256 }}") {
+            echo "::error:: NSCurl.zib sha256 mismatch"
+            exit 1
+          }
+          Expand-Archive -Path NSISPlugins\NScurl.zip -DestinationPath NSISPlugins\NScurl
           cd ${{ env.INSTALL_DIR }}
           makensis -NOCD "${{ github.workspace }}/${{ env.BUILD_DIR }}/program_info/win_install.nsi"
 
diff --git a/program_info/CMakeLists.txt b/program_info/CMakeLists.txt
index 30a435866..8fb6f68aa 100644
--- a/program_info/CMakeLists.txt
+++ b/program_info/CMakeLists.txt
@@ -44,14 +44,20 @@ configure_file(prismlauncher.ico prismlauncher.ico COPYONLY)
 
 if(MSVC)
     set(Launcher_MSVC_Redist_NSIS_Section [=[
-!ifdef haveNSIScurl
+!ifdef haveNScurl
 Section "Visual Studio Runtime"
+    Var /GLOBAL vc_redist_exe
+    ${If} ${IsNativeARM64}
+        StrCpy $vc_redist_exe "vc_redist.arm64.exe"
+    ${Else}
+        StrCpy $vc_redist_exe "vc_redist.x64.exe"
+    ${EndIf}
     DetailPrint 'Downloading Microsoft Visual C++ Redistributable...'
-    NScurl::http GET "https://aka.ms/vs/17/release/vc_redist.x64.exe" "$INSTDIR\vc_redist\vc_redist.x64.exe" /INSIST /CANCEL /Zone.Identifier /END
+    NScurl::http GET "https://aka.ms/vs/17/release/${vc_redist_exe}" "$INSTDIR\vc_redist\${vc_redist_exe}" /INSIST /CANCEL /Zone.Identifier /END
     Pop $0
     ${If} $0 == "OK"
         DetailPrint "Download successful"
-        ExecWait "$INSTDIR\vc_redist\vc_redist.x64.exe /install /passive /norestart\"
+        ExecWait "$INSTDIR\vc_redist\${vc_redist_exe} /install /passive /norestart\"
     ${Else}
         DetailPrint "Download failed with error $0"
     ${EndIf}
diff --git a/program_info/win_install.nsi.in b/program_info/win_install.nsi.in
index a5c38599d..c0e2b892f 100644
--- a/program_info/win_install.nsi.in
+++ b/program_info/win_install.nsi.in
@@ -349,15 +349,15 @@ SectionEnd
 ;------------------------------------
 ; include nice plugins
 
-; NSIScurl - curl in NSIS
+; NScurl - curl in NSIS
 ; used for MSVS redist download
-; extract to ../NSISPlugins/NSIScurl
+; extract to ../NSISPlugins/NScurl
 ; https://github.com/negrutiu/nsis-nscurl/releases/latest/download/NScurl.zip
-!insertmacro CompileTimeIfFileExist "../NSISPlugins/NSIScurl/Plugins/" haveNSIScurl
-!ifdef haveNSIScurl
-!AddPluginDir /x86-unicode     "../NSISPlugins/NSIScurl/Plugins/x86-unicode"
-!AddPluginDir /x86-ansi        "../NSISPlugins/NSIScurl/Plugins/x86-ansi"
-!AddPluginDir /amd64-unicode   "../NSISPlugins/NSIScurl/Plugins/amd64-unicode"
+!insertmacro CompileTimeIfFileExist "../NSISPlugins/NScurl/Plugins/" haveNScurl
+!ifdef haveNScurl
+!AddPluginDir /x86-unicode     "../NSISPlugins/NScurl/Plugins/x86-unicode"
+!AddPluginDir /x86-ansi        "../NSISPlugins/NScurl/Plugins/x86-ansi"
+!AddPluginDir /amd64-unicode   "../NSISPlugins/NScurl/Plugins/amd64-unicode"
 !endif
 
 ;------------------------------------