Seer Pro is described as 'This is a quick look tool for Windows. Acts just like the one in OS X , but Seer is more powerful and faster' and is a Image Viewer in the os & utilities category. There are more than 10 alternatives to Seer Pro for a variety of platforms, including Mac, Linux, Windows, Flathub and GNOME apps. The best Seer Pro alternative is Folder Quick Look. It's not free, so if you're looking for a free alternative, you could try Preview or Eye of GNOME. Other great apps like Seer Pro are Kiview, Xviewer, Folder Preview and SimplePDF.
Quick Eye is a quick look application for Windows. Just press the space bar to quickly preview files. This software is also recommended for people who are used to macOS.
Very much like Folder Preview, Folder Preview Pro allows you to quick look folders in Finder.
When Quick Look spacebar preview of your Mac doesn't work and you end up with the thumbnail of the photo, you can use Quick Look Fix from the menu bar.
Gloobus-preview is a Gnome extension designed to enable a full screen preview of any kind of file similar to Apple's Quicklook.
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Offers a right-click experience to previewing files (inside the Quick Eye menu)