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Sites that sell heavily discounted game and software keys, for example, might be selling stolen keys that could get revoked at any time.

Snag a Windows 11 Pro key for just $23.50 after a 25% discount in SCDKEY's massive Black Friday sale - don't miss these unbeatable deals!

Guys from cdkeysales.com are certainly big experts in the field of cheap software keys and now they are back with a new Halloween Sale promo.

Further reading: The best antivirus software for Windows How to get cheap antivirus You can get a steep discount in one of two ways. The first is through online stores that sell license keys.