When considering which Windows OS takes up more RAM, it's important to note that Windows 11 uses more memory due to its numerous features. The latest version boasts enhancements in design, performance, and productivity, which all rely on an increased amount of RAM to optimize performance. As such, for those in search of the top laptop for running Windows, it's crucial to take into account the necessary system requirements of Windows 11. Investing in a laptop with ample memory capabilities will ensure that users can take full advantage of all this latest version has to offer, from its sleek design to its enhanced productivity tools.