If you cannot afford a license, use the free, legal version of Windows or switch to open-source alternatives. Your data and peace of mind are worth more than the price of a software key.
If you are looking for legitimate ways to activate Windows or Office, here are the standard legal methods: KMS Auto Net portable
: Most versions feature a simple "Activate Windows" or "Activate Office" button for quick use. Backup/Restore If you cannot afford a license, use the