Most people looking for a screensaver alternative are not dissatisfied in the abstract. They tried the built-in one, hit a specific wall, and went looking. So rather than a feature-count argument, this page is organised around the walls.
One thing worth saying immediately: this is a drop-in replacement, not a parallel system. Memory Screen Saver Plus registers as a classic .scr screensaver, so it appears in the ordinary Windows list under Settings → Personalization → Lock screen → Screen saver. Switching is a selection in the dialog you already know, and switching back is the same selection in reverse.
When the built-in is genuinely enough
One monitor, a folder of a few hundred photos, and no strong feelings about how one image becomes the next — the stock screensaver handles that, it is already there, and installing anything would be a waste of your afternoon. It is worth saying plainly, because the rest of this page is only useful if you actually recognise yourself in it.
Where it runs out
- More than one monitor. Every connected display gets its own rotation on independent timing, rather than one show stretched across the desk or mirrored on each panel. Layouts are set per display.
- Control over transitions. 29 effects, each individually selectable, with adjustable duration and frame rate — plus a random-skip percentage so some changes stay plain.
- Motion and composition while a still is on screen. Ken Burns zoom and pan, and eight collage layouts that draw several photos into one composition.
- Photos on screen while you work. Live Presentation Mode runs up to six floating or full-screen frames without locking the session — a screensaver by definition cannot do this.
- Browsing without quitting. Keys, the scroll wheel or on-screen arrows step through what has already been shown, and each frame keeps its own history. Reaching for the keyboard does not end the session.
- Archives at real scale. Built for collections running to tens or hundreds of thousands of files, pointed at top-level folders with subfolder inclusion and file-type filters.
- Video in the same rotation. MP4, AVI, WMV and MOV interleaved with your stills, muted by default, with a maximum clip length so a long recording contributes an excerpt.
- Knowing what you are looking at. Optional filename overlays showing the full path, the relative path, or just the file name.
Folders, not a library
This is the structural difference, and it matters more than any single feature. You point the app at folders on your disk. Nothing is imported, nothing is indexed into a separate library, nothing is moved or copied, and no photo needs to belong to an application before it can be shown.
The practical upshot is that your existing organisation is the configuration. Folders synced by Google Drive, OneDrive or Dropbox work like any other folder, provided they are available offline rather than left as cloud-only placeholders. Online photo services are the exception — they are libraries behind an API rather than folders on disk, so they need exporting first.
What switching actually costs you
- A SmartScreen warning on first run. The builds are tested on real machines but not code-signed yet, so Windows will flag an unrecognised publisher. Checksums are on the GitHub release page if you want to verify the download.
- A larger download than you might expect — roughly 95 MB, about 292 MB installed. The runtime and video engine are bundled so there is nothing else to install, which is the trade: bigger file, simpler setup on a clean machine.
- Third-party update responsibility. It is not maintained by Windows Update. The app checks for new versions, but keeping it current is yours rather than the operating system's.
What it does not do
No account, no cloud, and no uploads. After install it needs no internet connection at all, other than an optional check for updates. Your photos are read from your disk and stay there.
Trying it is low-risk. Because it registers as an ordinary Windows screensaver, reverting means selecting a different one in the same Settings dialog. Nothing is rewritten, no library is converted, and your photo folders are only ever read.
Trying it on Windows
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Install
Download and run the Windows installer. Expect the SmartScreen prompt described above on first launch.
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Point it at your folders
On the Media Files tab, drag in the folders you want and enable Include subfolders. Filter by file type and choose random or sequential order.
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Select it in Windows
Open Settings → Personalization → Lock screen → Screen saver — or search for “Change screen saver” — pick Memory Screen Saver Plus, set your idle timeout, and use Preview to check it before committing.
If you have more than one monitor
That is the case the app was built around, and it has its own walkthrough: the Windows multi-monitor guide covers per-display layout and timing, and there is a Mac equivalent if your desk has both.
Download for Windows & Mac