diff --git a/app/renderer/editor/EditorApp.tsx b/app/renderer/editor/EditorApp.tsx
index a91ed05..5c6f0c0 100644
--- a/app/renderer/editor/EditorApp.tsx
+++ b/app/renderer/editor/EditorApp.tsx
@@ -34,6 +34,7 @@ import {
   type SceneGraphSceneCard,
   type SceneGraphUiStrings,
 } from './graph/SceneGraph';
+import type { HelpSectionId } from './help/helpSections';
 import { useEditorI18n } from './i18n/EditorI18nContext';
 import { EulaModal, LicenseAboutModal, LicenseTokenModal } from './license/EditorLicenseModals';
 import type { ProjectNoticeCode } from './state/projectState';
@@ -88,6 +89,7 @@ export function EditorApp() {
   const [aboutMenuOpen, setAboutMenuOpen] = useState(false);
   const [appAboutOpen, setAppAboutOpen] = useState(false);
   const [instructionsOpen, setInstructionsOpen] = useState(false);
+  const [instructionsSection, setInstructionsSection] = useState<HelpSectionId>('overview');
   const [renameOpen, setRenameOpen] = useState(false);
   const [exportModalOpen, setExportModalOpen] = useState(false);
   const [previewDialogSceneId, setPreviewDialogSceneId] = useState<SceneId | null>(null);
@@ -112,6 +114,7 @@ export function EditorApp() {
     [t],
   );
   const [state, actions] = useProjectState(licenseActive, { onNotice: onProjectNotice });
+  const renameFromPickerRef = useRef(false);
   const sceneCardById = useStableSceneCardById(state.project);
   const graphUi = useMemo<SceneGraphUiStrings>(
     () => ({
@@ -200,12 +203,6 @@ export function EditorApp() {
     return campaignAudioRefs.map((r) => p.assets[r.assetId]).filter((a): a is MediaAsset => Boolean(a));
   }, [campaignAudioRefs, state.project]);
 
-  const graphStartSceneId = useMemo(() => {
-    const p = state.project;
-    if (!p) return null;
-    const gn = p.sceneGraphNodes.find((n) => n.isStartScene);
-    return gn?.sceneId ?? null;
-  }, [state.project]);
   const graphStartGraphNodeId = useMemo(() => {
     const p = state.project;
     if (!p) return null;
@@ -213,6 +210,10 @@ export function EditorApp() {
     return gn?.id ?? null;
   }, [state.project]);
 
+  const runDisabled = !licenseActive || !graphStartGraphNodeId;
+  const runHelpSection: HelpSectionId = !licenseActive ? 'license' : 'graph';
+  const runHelpTooltip = !licenseActive ? t('top.afterLicense') : t('top.setStartScene');
+
   const launchFromGraphNode = useCallback(
     (graphNodeId: GraphNodeId) => {
       if (!licenseActive) return;
@@ -509,23 +510,33 @@ export function EditorApp() {
             ) : null}
             <div className={styles.headerActions}>
               {state.project ? (
-                <Button
-                  variant="primary"
-                  disabled={!licenseActive || !graphStartGraphNodeId}
-                  title={
-                    !licenseActive
-                      ? t('top.afterLicense')
-                      : graphStartSceneId
-                        ? undefined
-                        : t('top.setStartScene')
-                  }
-                  onClick={() => {
-                    if (!licenseActive || !graphStartGraphNodeId) return;
-                    launchFromGraphNode(graphStartGraphNodeId);
-                  }}
-                >
-                  {t('top.run')}
-                </Button>
+                <>
+                  <Button
+                    variant="primary"
+                    disabled={runDisabled}
+                    onClick={() => {
+                      if (!licenseActive || !graphStartGraphNodeId) return;
+                      launchFromGraphNode(graphStartGraphNodeId);
+                    }}
+                  >
+                    {t('top.run')}
+                  </Button>
+                  {runDisabled ? (
+                    <Button
+                      variant="ghost"
+                      iconOnly
+                      ariaLabel={t('top.runHelpAria')}
+                      title={runHelpTooltip}
+                      tooltipPlacement="bottom-left"
+                      onClick={() => {
+                        setInstructionsSection(runHelpSection);
+                        setInstructionsOpen(true);
+                      }}
+                    >
+                      ?
+                    </Button>
+                  ) : null}
+                </>
               ) : null}
             </div>
           </div>
@@ -565,6 +576,21 @@ export function EditorApp() {
                 openingProjectId={state.openingProjectId}
                 onCreate={actions.createProject}
                 onOpen={actions.openProject}
+                onRename={(id) => {
+                  renameFromPickerRef.current = true;
+                  void (async () => {
+                    try {
+                      await actions.openProject(id);
+                      setRenameOpen(true);
+                    } catch (e) {
+                      renameFromPickerRef.current = false;
+                      setAppNotice({
+                        title: t('common.error'),
+                        message: e instanceof Error ? e.message : String(e),
+                      });
+                    }
+                  })();
+                }}
                 onDelete={actions.deleteProject}
               />
             )}
@@ -831,7 +857,11 @@ export function EditorApp() {
         snapshot={licenseSnap}
       />
       <AppAboutModal open={appAboutOpen} onClose={() => setAppAboutOpen(false)} appVersion={appVersionText} />
-      <InstructionsModal open={instructionsOpen} onClose={() => setInstructionsOpen(false)} />
+      <InstructionsModal
+        open={instructionsOpen}
+        initialSection={instructionsSection}
+        onClose={() => setInstructionsOpen(false)}
+      />
       {aboutMenuOpen && aboutMenuPos
         ? createPortal(
             <div
@@ -857,6 +887,7 @@ export function EditorApp() {
                 className={styles.fileMenuItem}
                 onClick={() => {
                   setAboutMenuOpen(false);
+                  setInstructionsSection('overview');
                   setInstructionsOpen(true);
                 }}
               >
@@ -943,7 +974,13 @@ export function EditorApp() {
           fileBaseNameInitial={currentFileBaseName}
           existingProjectNames={existingProjectNames}
           existingFileBaseNames={existingFileBaseNames}
-          onClose={() => setRenameOpen(false)}
+          onClose={() => {
+            setRenameOpen(false);
+            if (renameFromPickerRef.current) {
+              renameFromPickerRef.current = false;
+              void actions.closeProject();
+            }
+          }}
           onSave={async (name, fileBaseName) => {
             await actions.renameProject(name, fileBaseName);
           }}
@@ -1538,6 +1575,7 @@ type ProjectPickerProps = {
   openingProjectId: ProjectId | null;
   onCreate: (name: string) => Promise<void>;
   onOpen: (id: ProjectId) => Promise<void>;
+  onRename: (id: ProjectId) => void;
   onDelete: (id: ProjectId) => Promise<void>;
 };
 
@@ -1547,6 +1585,7 @@ function ProjectPicker({
   openingProjectId,
   onCreate,
   onOpen,
+  onRename,
   onDelete,
 }: ProjectPickerProps) {
   const { t, locale } = useEditorI18n();
@@ -1679,6 +1718,20 @@ function ProjectPicker({
               className={styles.fileMenu}
               style={{ left: rowMenuPos.left, top: rowMenuPos.top }}
             >
+              <button
+                type="button"
+                role="menuitem"
+                className={styles.fileMenuItem}
+                onClick={() => {
+                  const id = rowMenuFor;
+                  setRowMenuFor(null);
+                  setRowMenuPos(null);
+                  if (!id) return;
+                  onRename(id);
+                }}
+              >
+                {t('fileMenu.rename')}
+              </button>
               <button
                 type="button"
                 role="menuitem"
diff --git a/app/renderer/editor/about/EditorAboutModals.tsx b/app/renderer/editor/about/EditorAboutModals.tsx
index 8b6957b..e6b0611 100644
--- a/app/renderer/editor/about/EditorAboutModals.tsx
+++ b/app/renderer/editor/about/EditorAboutModals.tsx
@@ -4,7 +4,12 @@ import { createPortal } from 'react-dom';
 import { APP_DISPLAY_NAME_EN, APP_DISPLAY_NAME_RU } from '../../../shared/appBranding';
 import { Button } from '../../shared/ui/controls';
 import styles from '../EditorApp.module.css';
-import { HELP_SECTION_IDS, helpSectionBodyKey, helpSectionTitleKey } from '../help/helpSections';
+import {
+  HELP_SECTION_IDS,
+  helpSectionBodyKey,
+  helpSectionTitleKey,
+  type HelpSectionId,
+} from '../help/helpSections';
 import { useEditorI18n } from '../i18n/EditorI18nContext';
 
 type AppAboutModalProps = {
@@ -90,27 +95,26 @@ export function AppAboutModal({ open, onClose, appVersion }: AppAboutModalProps)
 type InstructionsModalProps = {
   open: boolean;
   onClose: () => void;
+  initialSection?: HelpSectionId;
 };
 
-export function InstructionsModal({ open, onClose }: InstructionsModalProps) {
+function InstructionsModalBody({
+  initialSection,
+  onClose,
+}: {
+  initialSection: HelpSectionId;
+  onClose: () => void;
+}) {
   const { t } = useEditorI18n();
-  const [activeId, setActiveId] = useState<(typeof HELP_SECTION_IDS)[number]>('overview');
+  const [activeId, setActiveId] = useState<HelpSectionId>(initialSection);
 
   useEffect(() => {
-    if (!open) return;
-    setActiveId('overview');
-  }, [open]);
-
-  useEffect(() => {
-    if (!open) return;
     const onKey = (e: KeyboardEvent) => {
       if (e.key === 'Escape') onClose();
     };
     window.addEventListener('keydown', onKey);
     return () => window.removeEventListener('keydown', onKey);
-  }, [onClose, open]);
-
-  if (!open) return null;
+  }, [onClose]);
 
   const body = t(helpSectionBodyKey(activeId));
   const paragraphs = body.split('\n\n').filter((p) => p.trim() !== '');
@@ -137,9 +141,7 @@ export function InstructionsModal({ open, onClose }: InstructionsModalProps) {
         </div>
         <div className={styles.instructionsLayout}>
           <div className={styles.instructionsContent}>
-            <div className={styles.instructionsContentTitle}>
-              {t(helpSectionTitleKey(activeId))}
-            </div>
+            <div className={styles.instructionsContentTitle}>{t(helpSectionTitleKey(activeId))}</div>
             {paragraphs.map((p, i) => (
               <p key={i} className={styles.instructionsParagraph}>
                 {p}
@@ -175,3 +177,9 @@ export function InstructionsModal({ open, onClose }: InstructionsModalProps) {
     document.body,
   );
 }
+
+export function InstructionsModal({ open, onClose, initialSection }: InstructionsModalProps) {
+  if (!open) return null;
+  const section = initialSection ?? 'overview';
+  return <InstructionsModalBody key={section} initialSection={section} onClose={onClose} />;
+}
diff --git a/app/renderer/editor/i18n/editorMessages.ts b/app/renderer/editor/i18n/editorMessages.ts
index f699dd8..29ab4ad 100644
--- a/app/renderer/editor/i18n/editorMessages.ts
+++ b/app/renderer/editor/i18n/editorMessages.ts
@@ -113,6 +113,7 @@ export const EDITOR_MESSAGES: Record<EditorLocale, Record<string, string>> = {
     'top.run': 'Запустить',
     'top.afterLicense': 'Доступно после активации лицензии',
     'top.setStartScene': 'Назначьте начальную сцену на графе (ПКМ по узлу)',
+    'top.runHelpAria': 'Как разблокировать кнопку «Запустить»',
 
     'menu.enterKey': 'Указать ключ',
     'menu.aboutLicense': 'О лицензии',
@@ -440,6 +441,7 @@ export const EDITOR_MESSAGES: Record<EditorLocale, Record<string, string>> = {
     'top.run': 'Run',
     'top.afterLicense': 'Available after license activation',
     'top.setStartScene': 'Set a start scene on the graph (right‑click a node)',
+    'top.runHelpAria': 'How to enable the Run button',
 
     'menu.enterKey': 'Enter license key',
     'menu.aboutLicense': 'About license',
diff --git a/app/renderer/shared/ui/Controls.module.css b/app/renderer/shared/ui/Controls.module.css
index 009c7f4..c081335 100644
--- a/app/renderer/shared/ui/Controls.module.css
+++ b/app/renderer/shared/ui/Controls.module.css
@@ -23,7 +23,7 @@
   padding: 0 8px;
 }
 
-.tooltip {
+.tooltipTop {
   position: fixed;
   transform: translate(-50%, calc(-100% - 8px));
   padding: 6px 10px;
@@ -39,6 +39,24 @@
   white-space: nowrap;
 }
 
+.tooltipBottomLeft {
+  position: fixed;
+  transform: translate(-100%, 8px);
+  padding: 6px 10px;
+  border-radius: var(--radius-xs);
+  font-size: var(--text-xs);
+  font-weight: 600;
+  line-height: 1.35;
+  color: rgba(255, 255, 255, 0.95);
+  background: var(--color-tooltip-bg);
+  border: 1px solid var(--stroke-2);
+  box-shadow: var(--shadow-tooltip);
+  pointer-events: none;
+  z-index: var(--z-tooltip);
+  max-width: min(320px, calc(100vw - 16px));
+  white-space: normal;
+}
+
 .input {
   height: 34px;
   width: 100%;
diff --git a/app/renderer/shared/ui/controls.tsx b/app/renderer/shared/ui/controls.tsx
index d11718c..cedc309 100644
--- a/app/renderer/shared/ui/controls.tsx
+++ b/app/renderer/shared/ui/controls.tsx
@@ -13,6 +13,8 @@ type ButtonProps = {
   ariaLabel?: string | undefined;
   /** Компактная кнопка под одну иконку. */
   iconOnly?: boolean;
+  /** Позиция тултипа относительно кнопки. */
+  tooltipPlacement?: 'top' | 'bottom-left';
 };
 
 export function Button({
@@ -23,6 +25,7 @@ export function Button({
   title,
   ariaLabel,
   iconOnly = false,
+  tooltipPlacement = 'top',
 }: ButtonProps) {
   const btnRef = useRef<HTMLButtonElement | null>(null);
   const [tipPos, setTipPos] = useState<{ x: number; y: number } | null>(null);
@@ -32,8 +35,12 @@ export function Button({
     const el = btnRef.current;
     if (!el) return;
     const r = el.getBoundingClientRect();
+    if (tooltipPlacement === 'bottom-left') {
+      setTipPos({ x: r.right, y: r.bottom });
+      return;
+    }
     setTipPos({ x: r.left + r.width / 2, y: r.top });
-  }, [disabled, title]);
+  }, [disabled, title, tooltipPlacement]);
 
   const hideTip = useCallback(() => {
     setTipPos(null);
@@ -47,10 +54,12 @@ export function Button({
     .filter(Boolean)
     .join(' ');
 
+  const tipClass = tooltipPlacement === 'bottom-left' ? styles.tooltipBottomLeft : styles.tooltipTop;
+
   const tip =
     title && tipPos && typeof document !== 'undefined'
       ? createPortal(
-          <div role="tooltip" className={styles.tooltip} style={{ left: tipPos.x, top: tipPos.y }}>
+          <div role="tooltip" className={tipClass} style={{ left: tipPos.x, top: tipPos.y }}>
             {title}
           </div>,
           document.body,