Unfortunately, (discontinued by Google in 2016) is not fully compatible with Windows 11 and will have issues.

However, if you already have an old installer or want to try running it, here is the you can expect when running Picasa 3 on Windows 11 (likely with compatibility problems):

| Feature | Modern Alternative | | :--- | :--- | | Fast organizer + face recognition | (web) or Adobe Bridge | | Non-destructive editing + face tags | Adobe Lightroom (free mobile or paid desktop) | | Free, fast, simple | FastStone Image Viewer or XnView MP | | Facial recognition (offline) | DigiKam (open source) |