diff --git a/src/core/engine.h b/src/core/engine.h
--- a/src/core/engine.h
+++ b/src/core/engine.h
@@ -133,6 +133,9 @@
 
     QList<Provider::CategoryMetadata> categoriesMetadata();
 
+    QString adoptionCommand(const KNSCore::EntryInternal &entry) const;
+    bool hasAdoptionCommand() const;
+
 Q_SIGNALS:
     /**
      * Indicates a message to be added to the ui's log, or sent to a messagebox
@@ -217,8 +220,7 @@
 
     QHash<QString, QSharedPointer<KNSCore::Provider> > m_providers;
 
-    // TODO KF6: remove
-    QString m_unused;
+    QString m_adoptionCommand;
 
     // the current request from providers
     Provider::SearchRequest m_currentRequest;
diff --git a/src/core/engine.cpp b/src/core/engine.cpp
--- a/src/core/engine.cpp
+++ b/src/core/engine.cpp
@@ -135,6 +135,7 @@
     }
 
     m_categories = group.readEntry("Categories", QStringList());
+    m_adoptionCommand = group.readEntry("AdoptionCommand", QString());
 
     qCDebug(KNEWSTUFFCORE) << "Categories: " << m_categories;
     m_providerFileUrl = group.readEntry("ProvidersUrl", QString());
@@ -604,3 +605,57 @@
         p->loadEntries(request);
     }
 }
+
+/**
+ * we look for the directory where all the resources got installed.
+ * assuming it was extracted into a directory
+ */
+static QDir sharedDir(QStringList dirs, const QString &rootPath)
+{
+    while(!dirs.isEmpty()) {
+        const QString currentPath = QDir::cleanPath(dirs.takeLast());
+        if (!currentPath.startsWith(rootPath))
+            continue;
+
+        const QFileInfo current(currentPath);
+        if (!current.isDir())
+            continue;
+
+        const QDir dir = current.dir();
+        if (dir.path()==(rootPath+dir.dirName())) {
+            return dir;
+        }
+    }
+    return {};
+}
+
+QString Engine::adoptionCommand(const KNSCore::EntryInternal& entry) const
+{
+    auto adoption = m_adoptionCommand;
+    if(adoption.isEmpty())
+        return {};
+
+    const QLatin1String dirReplace("%d");
+    if (adoption.contains(dirReplace)) {
+        QString installPath = sharedDir(entry.installedFiles(), m_installation->targetInstallationPath()).path();
+        adoption.replace(dirReplace, installPath);
+    }
+
+    const QLatin1String fileReplace("%f");
+    QStringList ret;
+    if (adoption.contains(fileReplace)) {
+        if (entry.installedFiles().isEmpty()) {
+            qCWarning(KNEWSTUFFCORE) << "no installed files to adopt";
+        } else if (entry.installedFiles().count() != 1) {
+            qCWarning(KNEWSTUFFCORE) << "can only adopt one file, will be using the first" << entry.installedFiles().at(0);
+        }
+
+        adoption.replace(fileReplace, entry.installedFiles().at(0));
+    }
+    return adoption;
+}
+
+bool KNSCore::Engine::hasAdoptionCommand() const
+{
+    return !m_adoptionCommand.isEmpty();
+}
diff --git a/src/core/installation.h b/src/core/installation.h
--- a/src/core/installation.h
+++ b/src/core/installation.h
@@ -121,6 +121,13 @@
 
     void slotPayloadResult(KJob *job);
 
+    /**
+     * @returns the installation path
+     *
+     * @since 5.31
+     */
+    QString targetInstallationPath() const;
+
 Q_SIGNALS:
     void signalEntryChanged(const KNSCore::EntryInternal &entry);
     void signalInstallationFinished();
@@ -135,7 +142,6 @@
 private:
     void install(KNSCore::EntryInternal entry, const QString &downloadedFile);
 
-    QString targetInstallationPath();
     QStringList installDownloadedFileAndUncompress(const KNSCore::EntryInternal  &entry, const QString &payloadfile, const QString installdir);
     QProcess* runPostInstallationCommand(const QString &installPath);
 
diff --git a/src/core/installation.cpp b/src/core/installation.cpp
--- a/src/core/installation.cpp
+++ b/src/core/installation.cpp
@@ -334,7 +334,7 @@
     }
 }
 
-QString Installation::targetInstallationPath()
+QString Installation::targetInstallationPath() const
 {
     QString installdir;
 
diff --git a/src/ui/itemsviewbasedelegate.cpp b/src/ui/itemsviewbasedelegate.cpp
--- a/src/ui/itemsviewbasedelegate.cpp
+++ b/src/ui/itemsviewbasedelegate.cpp
@@ -86,6 +86,9 @@
 
 void ItemsViewBaseDelegate::slotInstallActionTriggered(QAction *action)
 {
+    if (action->data().isNull())
+        return;
+
     QPoint rowDownload = action->data().toPoint();
     int row = rowDownload.x();
     QModelIndex index = m_itemView->model()->index(row, 0);
diff --git a/src/ui/itemsviewdelegate.cpp b/src/ui/itemsviewdelegate.cpp
--- a/src/ui/itemsviewdelegate.cpp
+++ b/src/ui/itemsviewdelegate.cpp
@@ -25,10 +25,12 @@
 #include <QApplication>
 #include <QToolButton>
 #include <QMenu>
+#include <QProcess>
 #include <knewstuff_debug.h>
 
 #include <klocalizedstring.h>
 #include <kratingwidget.h>
+#include <KShell>
 
 #include "core/itemsmodel.h"
 
@@ -61,7 +63,6 @@
 
     QToolButton *installButton = new QToolButton();
     installButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
-    installButton->setPopupMode(QToolButton::InstantPopup);
     list << installButton;
     setBlockedEventTypes(installButton, QList<QEvent::Type>() << QEvent::MouseButtonPress
                          << QEvent::MouseButtonRelease << QEvent::MouseButtonDblClick);
@@ -152,6 +153,8 @@
         installButton->setText(text);
         installButton->setEnabled(enabled);
         installButton->setIcon(icon);
+        installButton->setPopupMode(QToolButton::InstantPopup);
+
         if (installable && entry.downloadLinkCount() > 1) {
             QMenu *installMenu = new QMenu(installButton);
             foreach (const KNSCore::EntryInternal::DownloadLinkInformation &info, entry.downloadLinkInformationList()) {
@@ -163,6 +166,15 @@
                 installAction->setData(QPoint(index.row(), info.id));
             }
             installButton->setMenu(installMenu);
+        } else if (entry.status() == Entry::Installed && m_engine->hasAdoptionCommand()) {
+            QMenu* m = new QMenu(installButton);
+            m->addAction(i18n("Use"), m, [this, entry](){
+                QStringList args = KShell::splitArgs(m_engine->adoptionCommand(entry));
+                qCDebug(KNEWSTUFF) << "executing AdoptionCommand" << args;
+                QProcess::startDetached(args.takeFirst(), args);
+            });
+            installButton->setPopupMode(QToolButton::MenuButtonPopup);
+            installButton->setMenu(m);
         }
     }