diff --git a/build/windows/installer/gimp3264.iss b/build/windows/installer/gimp3264.iss
index 78a231b3f8..5219c7e778 100755
--- a/build/windows/installer/gimp3264.iss
+++ b/build/windows/installer/gimp3264.iss
@@ -166,25 +166,25 @@ Name: "cs"; MessagesFile: "compiler:Languages\Czech.isl,lang\cs.setup.isl"
 Name: "da"; MessagesFile: "compiler:Languages\Danish.isl,lang\da.setup.isl"
 Name: "de"; MessagesFile: "compiler:Languages\German.isl,lang\de.setup.isl"
 Name: "el"; MessagesFile: "compiler:Languages\Greek.isl,lang\el.setup.isl"
-;Name: "eo"; MessagesFile: "compiler:Languages\Unofficial\Esperanto.isl,lang\eo.setup.isl"
+Name: "eo"; MessagesFile: "compiler:Languages\Unofficial\Esperanto.isl,lang\eo.setup.isl"
 Name: "es"; MessagesFile: "compiler:Languages\Spanish.isl,lang\es.setup.isl"
-;;Name: "eu"; MessagesFile: "compiler:Languages\Unofficial\Basque.isl,lang\eu.setup.isl"
+Name: "eu"; MessagesFile: "compiler:Languages\Unofficial\Basque.isl,lang\eu.setup.isl"
 Name: "fr"; MessagesFile: "compiler:Languages\French.isl,lang\fr.setup.isl"
 Name: "hu"; MessagesFile: "compiler:Languages\Hungarian.isl,lang\hu.setup.isl"
-;;Name: "id"; MessagesFile: "compiler:Languages\Unofficial\Indonesian.isl,lang\id.setup.isl"
-;;Name: "is"; MessagesFile: "compiler:Languages\Unofficial\Icelandic.isl,lang\is.setup.isl"
+Name: "id"; MessagesFile: "compiler:Languages\Unofficial\Indonesian.isl,lang\id.setup.isl"
+Name: "is"; MessagesFile: "compiler:Languages\Unofficial\Icelandic.isl,lang\is.setup.isl"
 Name: "it"; MessagesFile: "compiler:Languages\Italian.isl,lang\it.setup.isl"
-;;Name: "ko"; MessagesFile: "compiler:Languages\Unofficial\Korean.isl,lang\ko.setup.isl"
-;Name: "lv"; MessagesFile: "compiler:Languages\Unofficial\Latvian.isl,lang\lv.setup.isl"
+Name: "ko"; MessagesFile: "compiler:Languages\Unofficial\Korean.isl,lang\ko.setup.isl"
+Name: "lv"; MessagesFile: "compiler:Languages\Unofficial\Latvian.isl,lang\lv.setup.isl"
 Name: "nl"; MessagesFile: "compiler:Languages\Dutch.isl,lang\nl.setup.isl"
 Name: "pl"; MessagesFile: "compiler:Languages\Polish.isl,lang\pl.setup.isl"
 Name: "pt_BR"; MessagesFile: "compiler:Languages\BrazilianPortuguese.isl,lang\pt_BR.setup.isl"
 Name: "ru"; MessagesFile: "compiler:Languages\Russian.isl,lang\ru.setup.isl"
 Name: "sl"; MessagesFile: "compiler:Languages\Slovenian.isl,lang\sl.setup.isl"
-;;Name: "sv"; MessagesFile: "compiler:Languages\Unofficial\Swedish.isl,lang\sv.setup.isl"
+Name: "sv"; MessagesFile: "compiler:Languages\Unofficial\Swedish.isl,lang\sv.setup.isl"
 Name: "tr"; MessagesFile: "compiler:Languages\Turkish.isl,lang\tr.setup.isl"
-;;Name: "zh_CN"; MessagesFile: "compiler:Languages\Unofficial\ChineseSimplified.isl,lang\zh_CN.setup.isl"
-;;Name: "zh_TW"; MessagesFile: "compiler:Languages\Unofficial\ChineseTraditional.isl,lang\zh_TW.setup.isl"
+Name: "zh_CN"; MessagesFile: "compiler:Languages\Unofficial\ChineseSimplified.isl,lang\zh_CN.setup.isl"
+Name: "zh_TW"; MessagesFile: "compiler:Languages\Unofficial\ChineseTraditional.isl,lang\zh_TW.setup.isl"
 ;Name: "ro"; MessagesFile: "Romanian.islu,ro.setup.islu"
 
 [Types]