This group helps people fix tech issues and find answers about PCs. One thread, https://www.reddit.com/r/GetComputerHelp/comments/1o2zje8/where_to_buy_a_windows_11_key/, shows how users share tips on getting software keys. https://www.reddit.com/r/GetComputerHelp/comments/1o2zje8/where_to_buy_a_windows_11_key/