diff --git a/src-tauri/nsis/plugins/x86-unicode/inetc.dll b/src-tauri/nsis/plugins/x86-unicode/inetc.dll
new file mode 100644
index 00000000..d867f8c2
Binary files /dev/null and b/src-tauri/nsis/plugins/x86-unicode/inetc.dll differ
diff --git a/src-tauri/nsis/plugins/x86-unicode/nsJSON.dll b/src-tauri/nsis/plugins/x86-unicode/nsJSON.dll
new file mode 100644
index 00000000..c7999466
Binary files /dev/null and b/src-tauri/nsis/plugins/x86-unicode/nsJSON.dll differ
diff --git a/src-tauri/nsis/plugins/x86-unicode/nsisunz.dll b/src-tauri/nsis/plugins/x86-unicode/nsisunz.dll
new file mode 100644
index 00000000..2fcb5ec9
Binary files /dev/null and b/src-tauri/nsis/plugins/x86-unicode/nsisunz.dll differ
diff --git a/src-tauri/nsis/template.nsi b/src-tauri/nsis/template.nsi
index bbc761f8..afdb1200 100644
--- a/src-tauri/nsis/template.nsi
+++ b/src-tauri/nsis/template.nsi
@@ -731,6 +731,7 @@ Section Install
   ;   File /a "/oname={{this}}" "{{unescape-dollar-sign @key}}"
   ; {{/each}}
 
+  !addplugindir "..\..\..\..\nsis\plugins\x86-unicode"
   ; 指定のURLからファイルをダウンロード
   !define SOFTWARE_RELEASE_URL "https://api.github.com/repos/misyaguziya/VRCT/releases/latest"
   !define SOFTWARE_DOWNLOAD_FILENAME "VRCT.zip"