You can also use UTM to run Windows for free and it is open source.
replyLast I checked UTM doesn't have GPU acceleration. Parallels' proprietary GPU driver is the only reason to pay for it.
replyhttp://tart.run works great for running macOS (and Linux) VMs on macOS if you're technical. It's free for non-commercial uses too! (Don't think there's GPU acceleration tho).
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