Genuine licenses for Sage 50 2020 or 2021 are sometimes available on eBay or Craigslist from businesses that closed down. However, you must ensure the seller transfers the license registration to you via Sage. Without a transfer, you cannot get support or updates.
To install Sage 50 on your PC, follow these steps: sage 50 getintopc
If you decide to test Sage 50 from any unofficial source, do so only on an air-gapped computer with no personal or financial data. Genuine licenses for Sage 50 2020 or 2021