If you are reinstalling Windows on a machine that already had it, you can usually skip the key entry by selecting "I don't have a product key"
Even with a valid key, activation can fail. Here are the top 5 errors and fixes. w11 product key
If you’ve already activated Windows but need to find your key for a reinstallation, try these methods: 1. The Command Prompt (CMD) Type cmd in your search bar and run as Administrator. If you are reinstalling Windows on a machine