De-iOS-ify Mac OS X Lion: Restore a Classic Mac Look

Mac OS X Lion introduced design cues that made the Mac feel more like iOS, including scroll bars that disappear, natural scrolling, and app windows that can resume their previous state. You can turn off several of these behaviors and restore a more traditional Mac workflow using Lion’s built-in settings; no extra software is required. These steps apply specifically to OS X Lion, not necessarily to later macOS versions.

What You’ll Need

A Mac running OS X Lion.
Access to an administrator account if you need to change system-wide settings.
A few minutes to review preferences and restart apps. Back up important files before making broader changes, especially if you plan to use third-party appearance tools.

Step-by-Step

Open System Preferences. Click the Apple menu in the upper-left corner and choose System Preferences. Lion’s settings are divided between preference panes, so you can change individual behaviors without replacing the operating system’s interface.
Restore traditional scrolling. Open Trackpad or Mouse, depending on the device you use. In the relevant scrolling options, clear Scroll direction: natural. The exact controls differ between trackpads and mice. With natural scrolling off, moving two fingers up on a trackpad or turning a conventional scroll wheel forward typically moves the page upward, as it did in older Mac interfaces. Try scrolling in a document to check that it feels right.
Make scroll bars stay visible. In System Preferences, open General. Find the setting for showing scroll bars and select Always. This replaces Lion’s default behavior of showing scroll bars only while scrolling or when a mouse is connected. If you prefer the slimmer, less distracting appearance, choose the setting that shows them when scrolling instead.
Stop apps from reopening old windows. Lion can restore windows when an application launches again. To change this for an individual app, quit it, then hold down the Shift key while opening it from the Dock, Applications folder, or another normal launch location. This suppresses restoration for that launch; it may not permanently change the app’s behavior. Also check the app’s own preferences for an option related to restoring windows or reopening documents.
Prevent window restoration when logging out. When you choose Log Out from the Apple menu, look for the confirmation option that says to reopen windows when logging back in. Clear that checkbox before confirming if you want a fresh session next time. If you do not see the option, do not assume it has been changed; simply close the windows you do not want restored before logging out.
Review full-screen and Mission Control behavior. Lion added full-screen app spaces and changed how windows can be organized. Open Mission Control in System Preferences to review available controls, such as Dashboard and display settings. You cannot turn every Lion interface change back into an older Exposé-style arrangement from one switch. Keep full-screen mode off in apps where you prefer ordinary windows, and use the app’s window controls to exit it.
Reduce animated effects if they feel distracting. Some Lion transitions and visual effects are part of the system and do not have a complete built-in “classic appearance” setting. Look in the relevant preference pane for available options, but avoid entering Terminal commands copied from unrelated guides. Such commands can be version-specific and may change behavior unexpectedly.
Test each change and restart only what is necessary. Scroll in a few apps, open and quit an app, and log out only when convenient. Preference changes usually take effect immediately or after reopening the relevant app. If a setting seems unchanged, quit and reopen the app before restarting the Mac.

Common Mistakes

Expecting one switch to undo all of Lion. Lion’s appearance and behaviors are spread across different preferences, and some changes are built into the system.
Changing the wrong device setting. Trackpad and mouse controls are separate. Adjust the pane for the device you actually use.
Confusing scroll direction with scroll-bar visibility. These are independent settings in different preference panes. Turning off natural scrolling does not make scroll bars permanent.
Assuming Shift permanently disables window restoration. Holding Shift is a way to suppress restoration for a launch, not a universal permanent setting.
Installing old appearance utilities without checking compatibility. Software made for another OS X release may fail, conflict with system components, or make changes difficult to reverse.

Tips

Change one preference at a time, then test it. That makes it easier to identify which change helped or caused an issue.
If you use both a mouse and trackpad, check both scrolling panes; their controls may not match.
Write down the original settings before experimenting. You can restore them later without guessing.
Use built-in preferences first. They are less risky and easier to reverse than modifying system files or using Terminal commands.
Remember that Lion is an old operating system. Avoid using it for sensitive online activity, and do not assume that advice for modern macOS applies to it.

Troubleshooting

The page still scrolls the “wrong” way: Check whether you changed the setting under Trackpad or Mouse. Test the device in more than one app, and reopen System Preferences to confirm the selection remained set.

Scroll bars still disappear: Reopen System Preferences > General and verify that Always is selected. If the setting appears correct but an app behaves differently, the app may draw its own controls or use a custom interface.

An app keeps reopening windows: Quit the app completely rather than merely closing its windows. Try opening it while holding Shift, then inspect its own preferences. Some apps manage document restoration independently of OS X.

A preference pane is missing or controls look different: Confirm that the Mac is actually running Lion and not another OS X release. Names and available options vary by version and device. Use the Apple menu’s system information options to identify the installed system before following version-specific instructions.

The Mac behaves oddly after a utility or command-line change: Undo the change using the utility’s own restore option or the instructions supplied by its developer. If you cannot identify what changed, stop making further modifications and restore from a backup rather than deleting unfamiliar system files.

Frequently Asked Questions

Can I make Lion look exactly like an older version of Mac OS X?
No single built-in setting restores every earlier visual detail. You can change scrolling, scroll-bar visibility, and some launch behavior, but other Lion design changes remain.

Does turning off natural scrolling affect every device?
Not necessarily. Check the separate Mouse and Trackpad preference panes for the devices connected to your Mac.

How do I make scroll bars permanently visible?
Open System Preferences > General and choose Always in the scroll-bar display options.

Will holding Shift stop an app from restoring windows forever?
No. It can suppress restored windows when you launch the app that way. Look for a persistent option in the app’s preferences if one is available.

Can I reverse these changes?
Yes. Return to the same preference pane and select the previous option. For third-party tools or Terminal changes, use the documented undo method rather than guessing.

Do these instructions apply to current macOS?
Not exactly. Apple has changed preference names and layouts over time. Treat these steps as Lion-specific and check the instructions for your installed macOS version.

General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.

More in this bed

The whole Tech How-To bed →