There may be a conflict with other keywords. Open the snap view and in a loose command press ALT+ CMD+ R. Check out the conflict section. If you just see "Rename-Refactoring / On Windows", you're fine.
Look for the search for "refactor" and then in the "Renaming-Refactoring" bindings section, when "On Windows" clear everything and then press ALT+ CMD+ R. Check for conflicts, clean them, if any, and then save.
Voila! you have to be ready.
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