diff --git a/Userland/Applications/SystemMonitor/ProcessModel.cpp b/Userland/Applications/SystemMonitor/ProcessModel.cpp
index 092cbbdca4..88ab6c4ceb 100644
--- a/Userland/Applications/SystemMonitor/ProcessModel.cpp
+++ b/Userland/Applications/SystemMonitor/ProcessModel.cpp
@@ -528,3 +528,19 @@ void ProcessModel::update()
     //        It would be good if GUI::Model had a way to orchestrate removal/insertion while preserving indices.
     did_update(previous_tid_count == m_threads.size() ? GUI::Model::UpdateFlag::DontInvalidateIndices : GUI::Model::UpdateFlag::InvalidateAllIndices);
 }
+
+bool ProcessModel::is_default_column(int index) const
+{
+    switch (index) {
+    case Column::PID:
+    case Column::TID:
+    case Column::Name:
+    case Column::CPU:
+    case Column::User:
+    case Column::Virtual:
+    case Column::DirtyPrivate:
+        return true;
+    default:
+        return false;
+    }
+}
diff --git a/Userland/Applications/SystemMonitor/ProcessModel.h b/Userland/Applications/SystemMonitor/ProcessModel.h
index e87d032b93..3bdf317695 100644
--- a/Userland/Applications/SystemMonitor/ProcessModel.h
+++ b/Userland/Applications/SystemMonitor/ProcessModel.h
@@ -71,6 +71,7 @@ public:
     virtual Vector<GUI::ModelIndex> matches(StringView, unsigned = MatchesFlag::AllMatching, GUI::ModelIndex const& = GUI::ModelIndex()) override;
     virtual bool is_column_sortable(int column_index) const override { return column_index != Column::Icon; }
     void update();
+    bool is_default_column(int index) const;
 
     struct CpuInfo {
         u32 id;
diff --git a/Userland/Applications/SystemMonitor/main.cpp b/Userland/Applications/SystemMonitor/main.cpp
index 21d904ba74..6876027a68 100644
--- a/Userland/Applications/SystemMonitor/main.cpp
+++ b/Userland/Applications/SystemMonitor/main.cpp
@@ -293,15 +293,12 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto& process_table_view = *process_table_container.find_child_of_type_named<GUI::TreeView>("process_table");
     process_table_view.set_model(TRY(GUI::SortingProxyModel::create(process_model)));
-    for (auto column = 0; column < ProcessModel::Column::__Count; ++column)
-        process_table_view.set_column_visible(column, false);
-    process_table_view.set_column_visible(ProcessModel::Column::PID, true);
-    process_table_view.set_column_visible(ProcessModel::Column::TID, true);
-    process_table_view.set_column_visible(ProcessModel::Column::Name, true);
-    process_table_view.set_column_visible(ProcessModel::Column::CPU, true);
-    process_table_view.set_column_visible(ProcessModel::Column::User, true);
-    process_table_view.set_column_visible(ProcessModel::Column::Virtual, true);
-    process_table_view.set_column_visible(ProcessModel::Column::DirtyPrivate, true);
+
+    for (auto column = 0; column < ProcessModel::Column::__Count; ++column) {
+        process_table_view.set_column_visible(column,
+            Config::read_bool("SystemMonitor"sv, "ProcessTableColumns"sv, process_model->column_name(column),
+                process_model->is_default_column(column)));
+    }
 
     process_table_view.set_key_column_and_sort_order(ProcessModel::Column::CPU, GUI::SortOrder::Descending);
     process_model->update();
@@ -490,7 +487,15 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     else if (args_tab_view == "network")
         tabwidget.set_active_widget(tabwidget.find_descendant_of_type_named<GUI::Widget>("network"));
 
-    return app->exec();
+    int exec = app->exec();
+
+    // When exiting the application, save the configuration of the columns
+    // to be loaded the next time the application is opened.
+    auto& process_table_header = process_table_view.column_header();
+    for (auto column = 0; column < ProcessModel::Column::__Count; ++column)
+        Config::write_bool("SystemMonitor"sv, "ProcessTableColumns"sv, process_model->column_name(column), process_table_header.is_section_visible(column));
+
+    return exec;
 }
 
 ErrorOr<NonnullRefPtr<GUI::Window>> build_process_window(pid_t pid)