Changed Default GUI Mode to Electron

README.md

@@ -90,9 +90,31 @@ make desktop-dist
 make install
 ```
 
-This installs the binary to `~/.local/bin/lazy-update-manager`.
+This installs the binary to `~/.local/bin/lazy-update-manager` and a desktop launcher to `~/.local/share/applications/lazy-update-manager.desktop`.
 
-It also installs a desktop launcher to `~/.local/share/applications/lazy-update-manager.desktop`.
+The install target now preserves the previous binary by backing it up when it differs, so installations are safe and reversible.
+
+### Check version and update
+
+After installing, check the installed version with:
+
+```sh
+lazy-update-manager version
+```
+
+To update to the latest version from this repository:
+
+```sh
+git pull --ff-only
+make build
+make install
+```
+
+If you prefer to test the local build without installing, run the bundled binary directly:
+
+```sh
+./bin/lazy-update-manager gui
+```
 
 ## Enable Weekly Reminder