WordPress updates frequently. If your theme isn't updated to match the latest version of WordPress or PHP, your site will eventually "break" or become vulnerable. Free license keys don't provide access to the official update server. Is there a Legal "Free" Version? (GPL Licenses)
While the temptation to find an is high, the potential cost of a hacked website or a broken layout far outweighs the $40–$50 investment for a legal license. If you are serious about your web presence, stick to the official version for peace of mind, security, and professional support. Pro versions to see if you actually need the upgrade? astra pro license key free link
Before upgrading, explore the free Astra theme. Combined with a free page builder like Elementor or Spectra , you can build a stunning site without spending a dime. WordPress updates frequently