diff --git a/src/lib/lang/en.json b/src/lib/lang/en.json
index c0d44cc..5bd037c 100644
--- a/src/lib/lang/en.json
+++ b/src/lib/lang/en.json
@@ -5,9 +5,9 @@
     "progress.download_file": "Downloading {{file}} ({{idx}}/{{total}})",
     "progress.extract_overrides": "Extracting configuration files",
     "progress.install_loader": "Installing mod loader",
-    "progress.add_profile": "Creating launcher profile",
+    "progress.add_profile": "Creating launcher installation",
     "ui.loading-versions": "Loading versions...",
-    "ui.version-tooltip": "Vanilla Installer allows easy installation of all supported versions of Fabulously Optimized. For outdated versions, use a different launcher.",
+    "ui.version-tooltip": "Vanilla Installer allows easy installation of all supported versions of Fabulously Optimized. For outdated versions, use a different launcher or install method.",
     "ui.isolate-profile": "Use a different <code class=\"inline-code\">.minecraft</code> directory for this version?",
     "ui.profile-dir-placeholder": "Leave blank to let the installer decide",
     "ui.profile-dir-browse-label": "Browse folders",
@@ -15,9 +15,9 @@
     "ui.installing": "Installing...",
     "ui.installed": "Fabulously Optimized is installed!",
     "ui.install-error": "An error occurred while installing Fabulously Optimized: {{errorMessage}}",
-    "ui.downgrade-msg": "You are attempting to downgrade the Minecraft version. This is <span class=\"inline font-semibold\">NOT SUPPORTED</span> by Mojang or Fabulously Optimized and it may cause world corruption or crashes. <br /> If you want to do this safely, you should backup <code class=\"inline-code\">mods</code>, <code class=\"inline-code\">config</code> and <code class=\"inline-code\">saves</code> folders to a different location and delete them from your .minecraft folder.<br /> To skip this warning after backing up the folders, delete <code class=\"inline-code\">paigaldaja_meta.json</code> from your .minecraft folder.",
+    "ui.downgrade-msg": "You are attempting to downgrade the Minecraft version. This is <span class=\"inline font-semibold\">NOT SUPPORTED</span> by Mojang or Fabulously Optimized and it may cause world corruption or crashes. <br /> If you want to do this safely, you should backup <code class=\"inline-code\">mods</code>, <code class=\"inline-code\">config</code> and <code class=\"inline-code\">saves</code> folders to a different location and delete them from your .minecraft folder.",
     "ui.confirm-downgrade": "Yes, I want to downgrade FO.",
     "ui.downgrade-cancel": "Back",
     "ui.downgrade-continue": "Continue",
     "ui.confirm-exit": "Fabulously Optimized is installing. Are you sure you want to exit?"
-}
\ No newline at end of file
+}
diff --git a/src/lib/lang/et.json b/src/lib/lang/et.json
new file mode 100644
index 0000000..a0a3475
--- /dev/null
+++ b/src/lib/lang/et.json
@@ -0,0 +1,23 @@
+{
+    "progress.clean_old": "Vanade failide tühjendamine",
+    "progress.load_pack": "Modipaki allalaadimine",
+    "progress.download_files": "Modide allalaadimine",
+    "progress.download_file": "{{file}} allalaadimine ({{idx}}/{{total}})",
+    "progress.extract_overrides": "Seadistusfailide ekstraktimine",
+    "progress.install_loader": "Modilaaduri paigaldamine",
+    "progress.add_profile": "Launcheri paigalduse loomine",
+    "ui.loading-versions": "Versioonide laadimine...",
+    "ui.version-tooltip": "Vanilla Installer lubab kerget paigaldust kõigi Fabulously Optimized toetatud versioonide jaoks. Aegunud versioonide jaoks kasuta teist käivitajat või meetodit.",
+    "ui.isolate-profile": "Kasutada selle versiooni jaoks teist <code class=\"inline-code\">.minecraft</code> kausta?",
+    "ui.profile-dir-placeholder": "Jäta tühjaks, kui soovid et paigaldaja ise valib",
+    "ui.profile-dir-browse-label": "Sirvi kaustu",
+    "ui.install-button": "Paigalda!",
+    "ui.installing": "Paigaldamine...",
+    "ui.installed": "Fabulously Optimized on paigaldatud!",
+    "ui.install-error": "Fabulously Optimized paigaldamisel esines viga: {{errorMessage}}",
+    "ui.downgrade-msg": "Proovid Minecrafti versiooni alandada. See <span class=\"inline font-semibold\">EI OLE TOETATUD</span> Mojangi ega Fabulously Optimized poolt ning see võib põhjustada maailmade korrumptsiooni või krahhe. <br /> Kui soovid seda turvaliselt teha, peaksid varundama kaustad <code class=\"inline-code\">mods</code>, <code class=\"inline-code\">config</code> ja <code class=\"inline-code\">saves</code> teise kohta ning kustutama need oma .minecraft kaustast.",
+    "ui.confirm-downgrade": "Jah, ma soovin FO versiooni alandada.",
+    "ui.downgrade-cancel": "Tagasi",
+    "ui.downgrade-continue": "Jätka",
+    "ui.confirm-exit": "Fabulously Optimized on paigaldamisel. Kas soovid kindlasti väljuda?"
+}
diff --git a/src/lib/lang/index.ts b/src/lib/lang/index.ts
index 78175dd..2698d45 100644
--- a/src/lib/lang/index.ts
+++ b/src/lib/lang/index.ts
@@ -1,5 +1,7 @@
 import en from "./en.json";
+import et from "./et.json";
 
 export const langs: Record<string, Record<string, string>> = {
-    en
-};
\ No newline at end of file
+    en,
+    et
+};