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8GB RAM in M3 MacBook Pro Proves the Bottleneck in Real-World Tests
(www.macrumors.com)
This is a most excellent place for technology news and articles.
Windows RAM allocation depends on your ram size. If you have more ram, it will allocate more. Unused RAM is wasted RAM
Anecdotal evidence, but I've seen many old windows laptops with 8GB RAM use around 3-4GB on the desktop with no programs or background apps running.
Yes, 50% allocation is pretty normal and healthy.