diff --git a/po-windows-installer/LINGUAS b/po-windows-installer/LINGUAS
index 60110a804e..d073851263 100644
--- a/po-windows-installer/LINGUAS
+++ b/po-windows-installer/LINGUAS
@@ -8,6 +8,7 @@ en_GB
 eo
 es
 eu
+fi
 fr
 hr
 hu
diff --git a/po-windows-installer/fi.po b/po-windows-installer/fi.po
new file mode 100644
index 0000000000..5421f4eb40
--- /dev/null
+++ b/po-windows-installer/fi.po
@@ -0,0 +1,375 @@
+# Finnish translation for gimp.
+# Copyright (C) 2020 gimp's COPYRIGHT HOLDER
+# This file is distributed under the same license as the gimp package.
+# Jiri Grönroos <jiri.gronroos@iki.fi>, 2020.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: gimp gimp-2-10\n"
+"Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gimp/issues\n"
+"POT-Creation-Date: 2020-02-23 17:29+0000\n"
+"PO-Revision-Date: 2020-02-23 19:57+0200\n"
+"Language-Team: Finnish <lokalisointi-lista@googlegroups.com>\n"
+"Language: fi\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Last-Translator: Jiri Grönroos <jiri.gronroos+l10n@iki.fi>\n"
+"X-Generator: Poedit 2.3\n"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:1
+msgid "License Agreement"
+msgstr "Lisenssisopimus"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:2
+msgid "Setup built by Jernej Simonèiè, jernej-gimp@ena.si"
+msgstr "Asennuksen on toteuttanut Jernej Simonèiè, jernej-gimp@ena.si"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:3
+msgid "This version of GIMP requires Windows 7, or a newer version of Windows."
+msgstr ""
+"Tämä versio GIMPistä vaatii Windows 7:n tai uudemman version Windowsista."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:4
+msgid "Development version"
+msgstr "Kehitysversio"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:6
+#, no-c-format
+msgid ""
+"This is a development version of GIMP where some features may not be "
+"finished, or it may be unstable.%nThis version of GIMP is not intended for "
+"day-to-day work as it may be unstable, and you could lose your work.%nIf you "
+"encounter any problems, first verify that they haven't already been fixed in "
+"GIT before you contact the developers or report it in GIMP gitlab:%n_https://"
+"gitlab.gnome.org/GNOME/gimp/issues%n%nDo you wish to continue with "
+"installation anyway?"
+msgstr ""
+
+#: ../build/windows/installer/lang/setup.isl.in.h:7
+msgid "&Continue"
+msgstr "&Jatka"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:8
+msgid "Exit"
+msgstr "Lopeta"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:9
+msgid ""
+"This version of GIMP requires a processor that supports SSE instructions."
+msgstr "Tämä GIMPin versio vaatii suorittimen, joka tukee SSE-käskyjä."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:10
+msgid "Display settings problem"
+msgstr "Ongelma näytön asetuksissa"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:11
+msgid ""
+"Setup has detected that your Windows is not running in 32 bits-per-pixel "
+"display mode. This has been known to cause stability problems with GIMP, so "
+"it's recommended to change the display colour depth to 32BPP before "
+"continuing."
+msgstr ""
+
+#: ../build/windows/installer/lang/setup.isl.in.h:12
+msgid "E&xit"
+msgstr "&Lopeta"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:13
+msgid ""
+"GIMP is now ready to be installed. Click the Install now button to install "
+"using the default settings, or click the Customize button if you'd like to "
+"have more control over what gets installed."
+msgstr ""
+"GIMP on nyt valmis asennettavaksi. Napsauta Asenna-painiketta alapuolelta "
+"suorittaaksesi asennuksen oletusasetuksin, tai napsauta Mukauta jos haluat "
+"valita tarkemmin, mitä asennettaan."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:14
+msgid "&Install"
+msgstr "&Asenna"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:15
+msgid "&Customize"
+msgstr "&Mukauta"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:16
+msgid "Compact installation"
+msgstr "Kompakti asennus"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:17
+msgid "Custom installation"
+msgstr "Mukautettu asennus"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:18
+msgid "Full installation"
+msgstr "Täysi asennus"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:19
+msgid "Description"
+msgstr "Kuvaus"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:20
+msgid "GIMP"
+msgstr "GIMP"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:21
+msgid "GIMP and all default plug-ins"
+msgstr "GIMP ja kaikki oletusliitännäiset"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:22
+msgid "Run-time libraries"
+msgstr "Suoritusaikaiset kirjastot"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:23
+msgid "Run-time libraries used by GIMP, including GTK+ Run-time Environment"
+msgstr ""
+"GIMPin käyttämät suoritusaikaiset kirjastot, mukaan lukien GTK-ympäristö"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:24
+msgid "Debug symbols"
+msgstr "Vianjäljityssymbolit"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:25
+msgid "Include information to help with debugging GIMP"
+msgstr "Sisällytä tiedot, jotka auttavat GIMPin vianjäljityksessä"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:26
+msgid "MS-Windows engine for GTK+"
+msgstr "MS-Windows-moottori GTK:lle"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:27
+msgid "Native Windows look for GIMP"
+msgstr "Natiivi Windows-ulkoasu GIMPille"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:28
+msgid "Support for old plug-ins"
+msgstr "Tuki vanhoille liitännäisille"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:29
+msgid "Install libraries needed by old third-party plug-ins"
+msgstr ""
+"Asenna kirjastot, joita vanhat kolmansien osapuolten liitännäiset tarvitsevat"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:30
+msgid "Translations"
+msgstr "Kielikäännökset"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:31
+msgid "Python scripting"
+msgstr "Python-skriptaus"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:32
+msgid "Allows you to use GIMP plugins written in Python scripting language."
+msgstr ""
+"Mahdollistaa sinun käyttävän Python-skriptauskielellä kirjoitettuja GIMP-"
+"liitännäisiä."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:33
+msgid "MyPaint brushes"
+msgstr "MyPaint-siveltimet"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:34
+msgid "Install the default set of MyPaint brushes"
+msgstr "Asenna oletusvalikoima MyPaint-siveltimiä"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:35
+msgid "PostScript support"
+msgstr "PostScript-tuki"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:36
+msgid "Allow GIMP to load PostScript files"
+msgstr "Salli GIMPin ladata PostScript-tiedostoja"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:37
+msgid "Support for 32-bit plug-ins"
+msgstr "Tuki 32-bittisille liitännäisille"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:39
+#, no-c-format
+msgid ""
+"Include files necessary for using 32-bit plug-ins.%nRequired for Python "
+"support."
+msgstr ""
+"Sisällytä 32-bittisten liitännäisten tarvitsemat tiedostot.%nVaaditaan "
+"Python-tukea varten."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:40
+msgid "Additional icons:"
+msgstr "Valinnaiset kuvakkeet:"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:41
+msgid "Create a &desktop icon"
+msgstr "Luo kuvake &työpöydälle"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:42
+msgid "Create a &Quick Launch icon"
+msgstr "Luo &pikakäynnistyskuvake"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:43
+msgid "Remove previous GIMP version"
+msgstr "Poista aiempi GIMP-versio"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:45
+#, no-c-format
+msgid ""
+"There was a problem updating GIMP's environment in %1. If you get any errors "
+"loading the plug-ins, try uninstalling and re-installing GIMP."
+msgstr ""
+
+#: ../build/windows/installer/lang/setup.isl.in.h:46
+msgid "Error extracting temporary data."
+msgstr "Virhe purettaessa väliaikaisia tietoja."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:47
+msgid "Error updating Python interpreter info."
+msgstr "Virhe päivittäessä Python-tulkin tietoja."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:48
+msgid "Error updating MyPaint brushes info."
+msgstr "Virhe päivittäessä MyPaint-siveltimien tietoja."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:50
+#, no-c-format
+msgid "There was an error updating %1."
+msgstr "Virhe päivittäessä %1."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:52
+#, no-c-format
+msgid "There was an error updating GIMP's configuration file %1."
+msgstr "Virhe päivittäessä GIMPin asetustiedostoa %1."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:53
+msgid "Edit with GIMP"
+msgstr "Muokkaa GIMPillä"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:54
+msgid "Select file associations"
+msgstr "Valitse tiedostosidonnaisuudet"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:55
+msgid "Extensions:"
+msgstr "Tiedostopäätteet:"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:56
+msgid "Select the file types you wish to associate with GIMP"
+msgstr "Valitse tiedostotyypit, jotka haluat sitoa GIMPiin"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:57
+msgid ""
+"This will make selected files open in GIMP when you double-click them in "
+"Explorer."
+msgstr ""
+"Tämän myötä valitut tiedostot avautuvat GIMPissä, kun kaksoisnapsautat niitä "
+"tiedostonhallinnassa."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:58
+msgid "Select &All"
+msgstr "Valitse &kaikki"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:59
+msgid "Unselect &All"
+msgstr "&Poista valinta kaikista"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:60
+msgid "Select &Unused"
+msgstr "&Valitse käyttämättömät"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:61
+msgid "File types to associate with GIMP:"
+msgstr "GIMPiin sidottavat tiedostotyypit:"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:62
+msgid "Removing previous version of GIMP:"
+msgstr "Poistetaan aiempi versio GIMPistä:"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:64
+#, no-c-format
+msgid ""
+"GIMP %1 cannot be installed over your currently installed GIMP version, and "
+"the automatic uninstall of old version has failed.%n%nPlease remove the "
+"previous version of GIMP yourself before installing this version in %2, or "
+"choose a Custom install, and select a different installation folder.%n%nThe "
+"Setup will now exit."
+msgstr ""
+
+#: ../build/windows/installer/lang/setup.isl.in.h:66
+#, no-c-format
+msgid ""
+"GIMP %1 cannot be installed over your currently installed GIMP version, and "
+"Setup couldn't determine how to remove the old version automatically.%n"
+"%nPlease remove the previous version of GIMP and any add-ons yourself before "
+"installing this version in %2, or choose a Custom install, and select a "
+"different installation folder.%n%nThe Setup will now exit."
+msgstr ""
+
+#: ../build/windows/installer/lang/setup.isl.in.h:68
+#, no-c-format
+msgid ""
+"Previous GIMP version was removed successfully, but Windows has to be "
+"restarted before the Setup can continue.%n%nAfter restarting your computer, "
+"Setup will continue next time an administrator logs in."
+msgstr ""
+"GIMPin aiempi versio poistettiin onnistuneesti, mutta Windows tulee "
+"käynnistää uudelleen, ennen kuin asennus voi jatkua.%n%nAsennus jatkuu "
+"tietokoneen uudelleenkäynnistymisen jälkeen seuraavan kerran, kun ylläpitäjä "
+"kirjautuu sisään."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:70
+#, no-c-format
+msgid "There was an error restarting the Setup. (%1)"
+msgstr "Asennusohjelman uudelleenkäynnistyksessä ilmeni virhe. (%1)"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:71
+msgid "Cleaning up old files..."
+msgstr "Siivotaan vanhoja tiedostoja..."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:73
+#, no-c-format
+msgid "Remember: GIMP is Free Software.%n%nPlease visit"
+msgstr "Muistathan: GIMP on vapaa ohjelmisto.%n%nVieraile"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:74
+msgid "for free updates."
+msgstr "saadaksesi ilmaisia päivityksiä."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:75
+msgid "Setting up file associations..."
+msgstr "Asetetaan tiedostosidonnaisuuksia..."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:76
+msgid "Setting up environment for GIMP Python extension..."
+msgstr "Asetetaan ympäristöä GIMPin Python-laajennukselle..."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:77
+msgid "Setting up MyPaint brushes..."
+msgstr "Asetetaan MyPaint-siveltimiä..."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:78
+msgid "Setting up GIMP environment..."
+msgstr "Asetetaan GIMP-ympäristöä..."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:79
+msgid "Setting up GIMP configuration for 32-bit plug-in support..."
+msgstr "Asetetaan GIMP-määrityksiä 32-bittisten lisäosien tuelle..."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:80
+msgid "Launch GIMP"
+msgstr "Käynnistä GIMP"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:81
+msgid "Removing add-on"
+msgstr "Poistetaan lisäosa"
+
+#: ../build/windows/installer/lang/setup.isl.in.h:83
+#, no-c-format
+msgid "Internal error (%1)."
+msgstr "Sisäinen virhe (%1)."
+
+#: ../build/windows/installer/lang/setup.isl.in.h:84
+msgid ""
+"GIMP does not appear to be installed in the selected directory. Continue "
+"anyway?"
+msgstr ""
+"GIMP ei vaikuta olevan asennettuna valittuun kansioon. Jatketaanko silti?"