diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
index 4993bb7019..8b493eb3a0 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
@@ -99,9 +99,14 @@ public final class Controllers {
         GameListPage gameListPage = new GameListPage();
         gameListPage.selectedProfileProperty().bindBidirectional(Profiles.selectedProfileProperty());
         gameListPage.profilesProperty().bindContent(Profiles.profilesProperty());
-        FXUtils.applyDragListener(gameListPage, ModpackHelper::isFileModpackByExtension, modpacks -> {
-            Path modpack = modpacks.get(0);
-            Controllers.getDecorator().startWizard(new ModpackInstallWizardProvider(Profiles.getSelectedProfile(), modpack), i18n("install.modpack"));
+        FXUtils.applyDragListener(gameListPage, file -> ModpackHelper.isFileModpackByExtension(file) || "json".equalsIgnoreCase(FileUtils.getNameWithoutExtension(file)), files -> {
+            Path file = files.get(0);
+
+            if (ModpackHelper.isFileModpackByExtension(file)) {
+                Controllers.getDecorator().startWizard(new ModpackInstallWizardProvider(Profiles.getSelectedProfile(), file), i18n("install.modpack"));
+            } else if ("json".equalsIgnoreCase(FileUtils.getExtension(file))) {
+                Versions.installFromJson(Profiles.getSelectedProfile(), file);
+            }
         });
         return gameListPage;
     });
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/RootPage.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/RootPage.java
index 32e7b24ca8..4875e75bd8 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/RootPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/RootPage.java
@@ -54,6 +54,7 @@
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.TaskCancellationAction;
 import org.jackhuang.hmcl.util.io.CompressingUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
 import org.jackhuang.hmcl.util.platform.*;
 import org.jackhuang.hmcl.util.versioning.VersionNumber;
 
@@ -98,7 +99,7 @@ public MainPage getMainPage() {
         if (mainPage == null) {
             MainPage mainPage = new MainPage();
             FXUtils.applyDragListener(mainPage,
-                    file -> ModpackHelper.isFileModpackByExtension(file) || NBTFileType.isNBTFileByExtension(file),
+                    file -> ModpackHelper.isFileModpackByExtension(file) || NBTFileType.isNBTFileByExtension(file) || "json".equalsIgnoreCase(FileUtils.getExtension(file)),
                     modpacks -> {
                         Path file = modpacks.get(0);
                         if (ModpackHelper.isFileModpackByExtension(file)) {
@@ -113,6 +114,8 @@ public MainPage getMainPage() {
                                 Controllers.dialog(i18n("nbt.open.failed") + "\n\n" + StringUtils.getStackTrace(e),
                                         i18n("message.error"), MessageDialogPane.MessageType.ERROR);
                             }
+                        } else if ("json".equalsIgnoreCase(FileUtils.getExtension(file))) {
+                            Versions.installFromJson(Profiles.getSelectedProfile(), file);
                         }
                     });
 
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/Versions.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/Versions.java
index d3b561fa9c..7c126dd690 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/Versions.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/Versions.java
@@ -23,6 +23,7 @@
 import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorAccount;
 import org.jackhuang.hmcl.download.game.GameAssetDownloadTask;
+import org.jackhuang.hmcl.download.game.GameDownloadTask;
 import org.jackhuang.hmcl.game.*;
 import org.jackhuang.hmcl.mod.RemoteMod;
 import org.jackhuang.hmcl.setting.*;
@@ -41,6 +42,7 @@
 import org.jackhuang.hmcl.ui.export.ExportWizardProvider;
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.TaskCancellationAction;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
 import org.jackhuang.hmcl.util.io.FileUtils;
 import org.jackhuang.hmcl.util.io.NetworkUtils;
 import org.jackhuang.hmcl.util.platform.OperatingSystem;
@@ -157,6 +159,41 @@ public static void openFolder(Profile profile, String version) {
         FXUtils.openFolder(profile.getRepository().getRunDirectory(version));
     }
 
+    public static void installFromJson(Profile profile, Path file) {
+        Version version;
+        try {
+            version = profile.getRepository().readVersionJson(file);
+        } catch (Exception e) {
+            Controllers.dialog(i18n("install.new_game.malformed_json"), i18n("message.error"), MessageDialogPane.MessageType.ERROR);
+            return;
+        }
+
+        Controllers.prompt(i18n("version.manage.duplicate.prompt"), (result, handler) -> {
+            var unnamedVersion = version.setId(result).setJar(result);
+            var gameDownloadTask = new GameDownloadTask(profile.getDependency(), null, unnamedVersion).whenComplete(Schedulers.javafx(), (exception) -> {
+                if (exception != null) {
+                    handler.reject(StringUtils.getStackTrace(exception));
+                } else {
+                    profile.getRepository().refreshVersions();
+                    profile.setSelectedVersion(result);
+                    handler.resolve();
+                }
+            });
+            Task.runAsync(() -> {
+                var dir = profile.getGameDir().resolve("versions");
+                var versionDir = Files.createDirectory(dir.resolve(result));
+                var jsonPath = versionDir.resolve(result + ".json");
+
+                JsonUtils.writeToJsonFile(jsonPath, unnamedVersion);
+            }).thenRunAsync(() -> profile.getRepository().refreshVersions()).whenComplete(Schedulers.javafx(), (exception) -> {
+                if (exception != null) {
+                    handler.reject(StringUtils.getStackTrace(exception));
+                } else
+                    Controllers.taskDialog(gameDownloadTask, i18n("install.new_game"), TaskCancellationAction.NORMAL);
+            }).start();
+        }, FileUtils.getNameWithoutExtension(file), new Validator(i18n("install.new_game.malformed"), HMCLGameRepository::isValidVersionId), new Validator(i18n("install.new_game.already_exists"), newVersionName -> !profile.getRepository().versionIdConflicts(newVersionName)));
+    }
+
     public static void duplicateVersion(Profile profile, String version) {
         Controllers.prompt(
                 new PromptDialogPane.Builder(i18n("version.manage.duplicate.prompt"), (res, handler) -> {
diff --git a/HMCL/src/main/resources/assets/lang/I18N.properties b/HMCL/src/main/resources/assets/lang/I18N.properties
index 4ac702239d..c15b68cb18 100644
--- a/HMCL/src/main/resources/assets/lang/I18N.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N.properties
@@ -753,6 +753,7 @@ install.new_game.already_exists=This instance name already exists. Please use an
 install.new_game.current_game_version=Current Instance Version
 install.new_game.installation=Instance Installation
 install.new_game.malformed=Invalid name.
+install.new_game.malformed_json=Invalid Minecraft instance JSON file。
 install.select=Choose operation
 install.success=Successfully installed.
 
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh.properties b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
index a7846dacf1..d148f8ca86 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
@@ -557,6 +557,7 @@ install.new_game.already_exists=此實例已經存在，請重新命名
 install.new_game.current_game_version=目前遊戲實例
 install.new_game.installation=安裝新實例
 install.new_game.malformed=名稱無效
+install.new_game.malformed_json=無效的 Minecraft 實例 JSON 文件。
 install.select=請選取安裝方式
 install.success=安裝成功
 
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
index b4e00451ab..353fcfff90 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
@@ -562,6 +562,7 @@ install.new_game.already_exists=此实例已经存在，请换一个名字
 install.new_game.current_game_version=当前游戏实例
 install.new_game.installation=安装新游戏
 install.new_game.malformed=名字不合法
+install.new_game.malformed_json=不是有效的 Minecraft 实例 JSON 文件。
 install.select=请选择安装方式
 install.success=安装成功