diff --git a/lang/calamares_ja.ts b/lang/calamares_ja.ts
index ff664d8feb26bbb5aca26a6575c737eb646b5a51..990c0156c07bdd051ccb63614801f86e1df1085c 100644
--- a/lang/calamares_ja.ts
+++ b/lang/calamares_ja.ts
@@ -376,12 +376,12 @@ The installer will quit and all changes will be lost.</source>
<message>
<location filename="../src/libcalamaresui/ViewManager.cpp" line="260"/>
<source>&Install now</source>
- <translation type="unfinished"/>
+ <translation>今ã™ãインストール（&I）</translation>
</message>
<message>
<location filename="../src/libcalamaresui/ViewManager.cpp" line="261"/>
<source>Go &back</source>
- <translation type="unfinished"/>
+ <translation>戻る（&B）</translation>
</message>
<message>
<location filename="../src/libcalamaresui/ViewManager.cpp" line="300"/>
@@ -453,22 +453,23 @@ The installer will quit and all changes will be lost.</source>
<message>
<location filename="../src/modules/welcome/checker/CheckerWidget.cpp" line="93"/>
<source>This computer does not satisfy the minimum requirements for installing %1.<br/>Installation cannot continue. <a href="#details">Details...</a></source>
- <translation type="unfinished"/>
+ <translation>ã“ã®ã‚³ãƒ³ãƒ”ュータã¯ã€ %1 をインストールã™ã‚‹ãŸã‚ã®æœ€ä½Žè¦ä»¶ã‚’満ãŸã—ã¦ã„ã¾ã›ã‚“。
+<br/>インストールãŒç¶šè¡Œã§ãã¾ã›ã‚“。<a href="#details">詳細...</a></translation>
</message>
<message>
<location filename="../src/modules/welcome/checker/CheckerWidget.cpp" line="111"/>
<source>This computer does not satisfy some of the recommended requirements for installing %1.<br/>Installation can continue, but some features might be disabled.</source>
- <translation type="unfinished"/>
+ <translation>ã“ã®ã‚³ãƒ³ãƒ”ュータã¯ã€ %1 をインストールã™ã‚‹ãŸã‚ã®æŽ¨å¥¨æ¡ä»¶ã‚’ã„ãã¤ã‹æº€ãŸã—ã¦ã„ã¾ã›ã‚“。<br/>インストールã¯ç¶šè¡Œã—ã¾ã™ãŒã€ä¸€éƒ¨ã®æ©Ÿèƒ½ãŒç„¡åŠ¹ã«ãªã‚‹å ´åˆãŒã‚ã‚Šã¾ã™ã€‚</translation>
</message>
<message>
<location filename="../src/modules/welcome/checker/CheckerWidget.cpp" line="133"/>
<source>For best results, please ensure that this computer:</source>
- <translation type="unfinished"/>
+ <translation>良好ãªçµæžœã‚’å¾—ã‚‹ãŸã‚ã«ã€ã“ã®ã‚³ãƒ³ãƒ”ュータã«ã¤ã„ã¦ä»¥ä¸‹ã®é …目を確èªã—ã¦ä¸‹ã•ã„：</translation>
</message>
<message>
<location filename="../src/modules/welcome/checker/CheckerWidget.cpp" line="158"/>
<source>System requirements</source>
- <translation type="unfinished"/>
+ <translation>システムè¦ä»¶</translation>
</message>
</context>
<context>
@@ -488,7 +489,7 @@ The installer will quit and all changes will be lost.</source>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="189"/>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="238"/>
<source><strong>Erase disk and install %1</strong><br/><font color="red">Warning: </font>This will delete all of your programs, documents, photos, music, and any other files.</source>
- <translation type="unfinished"/>
+ <translation><strong>ディスクを消去ã—㦠%1をインストール</strong><br/><font color="red">è¦å‘Š: </font>ã“ã®æ“作ã¯ã™ã¹ã¦ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã€æ–‡æ›¸ã€ç”»åƒã€éŸ³æ¥½ãªã©ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’削除ã—ã¾ã™ã€‚</translation>
</message>
<message>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="125"/>
@@ -496,24 +497,24 @@ The installer will quit and all changes will be lost.</source>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="195"/>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="244"/>
<source><strong>Erase disk and install %1</strong><br/>You will be offered a choice of which disk to erase.</source>
- <translation type="unfinished"/>
+ <translation><strong>ディスクを消去ã—㦠%1 をインストール </strong><br/>ã©ã®ãƒ‡ã‚£ã‚¹ã‚¯ã‚’消去ã™ã‚‹ã‹ã€é¸æŠžã—ã¾ã™ã€‚</translation>
</message>
<message>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="145"/>
<source><strong>Install %2 alongside %1</strong><br/>The installer will shrink the %1 volume to make room for %2. You can choose which operating system you want each time the computer starts up.</source>
- <translation type="unfinished"/>
+ <translation><strong> %1 ã«å…±å˜ã—㦠%2 をインストール</strong><br/>インストーラー㯠%2 ã®ãŸã‚ã« %1 ã®å®¹é‡ã‚’縮å°ã—ã¾ã™ã€‚コンピュータã®èµ·å‹•æ™‚ã«ã©ã®ã‚ªãƒšãƒ¬ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚·ã‚¹ãƒ†ãƒ ã‚’èµ·å‹•ã•ã›ã‚‹ã‹é¸æŠžã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚</translation>
</message>
<message>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="154"/>
<source><strong>Erase entire disk with %1 and install %2</strong><br/><font color="red">Warning: </font>This will erase the whole disk and delete all of your %1 programs, documents, photos, music, and any other files.</source>
- <translation type="unfinished"/>
+ <translation><strong>%1ディスクã®å…¨ã¦ã‚’消去㗠%2 をインストール<strong><br/><font color="red">è¦å‘Š: </font>ã“ã®æ“作ã¯ãƒ‡ã‚£ã‚¹ã‚¯ã®å…¨ã¦ã®ãƒ‡ãƒ¼ã‚¿ã‚’消去ã—ã€å…¨ã¦ã® %1 プãƒã‚°ãƒ©ãƒ ã€æ–‡æ›¸ã€ç”»åƒã€éŸ³æ¥½ã€ãã®ä»–ファイルを削除ã—ã¾ã™ã€‚</translation>
</message>
<message>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="167"/>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="200"/>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="249"/>
<source><strong>Replace a partition with %1</strong><br/>You will be offered a choice of which partition to erase.</source>
- <translation type="unfinished"/>
+ <translation><strong>パーティションを %1 ã«ç½®ãæ›ãˆã‚‹ </strong><br/>ã©ã®ãƒ‡ã‚£ã‚¹ã‚¯ã‚’消去ã™ã‚‹ã‹ã€é¸æŠžã—ã¾ã™ã€‚</translation>
</message>
<message>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="176"/>
@@ -523,7 +524,7 @@ The installer will quit and all changes will be lost.</source>
<message>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="179"/>
<source><strong>Install %1 alongside your current operating system</strong><br/>The installer will shrink an existing volume to make room for %2. You can choose which operating system you want each time the computer starts up.</source>
- <translation type="unfinished"/>
+ <translation><strong> ç¾åœ¨ã®ã‚ªãƒšãƒ¬ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚·ã‚¹ãƒ†ãƒ ã«å…±å˜ã—㦠%1 をインストール</strong><br/>インストーラー㯠%2 ã®ãŸã‚ã«ç¾åœ¨ã®ãƒ‘ーティションã®å®¹é‡ã‚’縮å°ã—ã¾ã™ã€‚コンピュータã®èµ·å‹•æ™‚ã«ã©ã®ã‚ªãƒšãƒ¬ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚·ã‚¹ãƒ†ãƒ ã‚’èµ·å‹•ã•ã›ã‚‹ã‹é¸æŠžã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚</translation>
</message>
<message>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="225"/>
@@ -533,12 +534,12 @@ The installer will quit and all changes will be lost.</source>
<message>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="228"/>
<source><strong>Install %1 alongside your current operating systems</strong><br/>The installer will shrink an existing volume to make room for %2. You can choose which operating system you want each time the computer starts up.</source>
- <translation type="unfinished"/>
+ <translation><strong> ç¾åœ¨ã®ã‚ªãƒšãƒ¬ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚·ã‚¹ãƒ†ãƒ ã«å…±å˜ã—㦠%1をインストール</strong><br/>インストーラー㯠%2 ã®ãŸã‚ã«ç¾åœ¨ã®ãƒ‘ーティションã®å®¹é‡ã‚’縮å°ã—ã¾ã™ã€‚コンピュータã®èµ·å‹•æ™‚ã«ã©ã®ã‚ªãƒšãƒ¬ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚·ã‚¹ãƒ†ãƒ ã‚’èµ·å‹•ã•ã›ã‚‹ã‹é¸æŠžã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚</translation>
</message>
<message>
<location filename="../src/modules/partition/gui/ChoicePage.cpp" line="265"/>
<source><strong>Manual partitioning</strong><br/>You can create or resize partitions yourself, or choose multiple partitions for %1.</source>
- <translation type="unfinished"/>
+ <translation><strong>手動パーティショニング</strong><br/>手動ã§ã®ãƒ‘ーティションã®ä½œæˆãŠã‚ˆã³ã‚µã‚¤ã‚ºå¤‰æ›´ã€ã‚ã‚‹ã„㯠%1 ã®ãŸã‚ã®è¤‡æ•°ã®ãƒ‘ーティションã®é¸æŠžã‚’è¡Œã†ã“ã¨ãŒã§ãã¾ã™ã€‚</translation>
</message>
</context>
<context>
@@ -924,12 +925,12 @@ The installer will quit and all changes will be lost.</source>
<message>
<location filename="../src/modules/partition/jobs/CreatePartitionJob.cpp" line="48"/>
<source>Create new %2MB partition on %4 (%3) with file system %1.</source>
- <translation type="unfinished"/>
+ <translation>ファイルシステム%1ã§%4 (%3) 上ã«æ–°ã—ã%2MBã®ãƒ‘ーティションを作æˆ</translation>
</message>
<message>
<location filename="../src/modules/partition/jobs/CreatePartitionJob.cpp" line="59"/>
<source>Create new <strong>%2MB</strong> partition on <strong>%4</strong> (%3) with file system <strong>%1</strong>.</source>
- <translation type="unfinished"/>
+ <translation>ファイルシステム%1㧠<strong>%4</strong> (%3) 上ã«æ–°ã—ã<strong>%2MB</strong>ã®ãƒ‘ーティションを作æˆ</translation>
</message>
<message>
<location filename="../src/modules/partition/jobs/CreatePartitionJob.cpp" line="74"/>
@@ -990,12 +991,12 @@ The installer will quit and all changes will be lost.</source>
<message>
<location filename="../src/modules/partition/jobs/CreatePartitionTableJob.cpp" line="49"/>
<source>Create new %1 partition table on %2.</source>
- <translation type="unfinished"/>
+ <translation>%2 上ã«æ–°ã—ã %1 パーティションテーブルを作æˆ</translation>
</message>
<message>
<location filename="../src/modules/partition/jobs/CreatePartitionTableJob.cpp" line="56"/>
<source>Create new <strong>%1</strong> partition table on <strong>%2</strong> (%3).</source>
- <translation type="unfinished"/>
+ <translation><strong>%2</strong> (%3) 上ã«æ–°ã—ã <strong>%1</strong> パーティションテーブルを作æˆ</translation>
</message>
<message>
<location filename="../src/modules/partition/jobs/CreatePartitionTableJob.cpp" line="66"/>
@@ -1112,12 +1113,12 @@ The installer will quit and all changes will be lost.</source>
<message>
<location filename="../src/modules/partition/jobs/DeletePartitionJob.cpp" line="42"/>
<source>Delete partition %1.</source>
- <translation type="unfinished"/>
+ <translation>パーティション %1 ã®å‰Šé™¤</translation>
</message>
<message>
<location filename="../src/modules/partition/jobs/DeletePartitionJob.cpp" line="50"/>
<source>Delete partition <strong>%1</strong>.</source>
- <translation type="unfinished"/>
+ <translation>パーティション <strong>%1</strong> ã®å‰Šé™¤</translation>
</message>
<message>
<location filename="../src/modules/partition/jobs/DeletePartitionJob.cpp" line="58"/>