You can buy a standard modern PC and wipe its drive to perform a clean installation of Windows 8.
Check online used-goods marketplaces like eBay to find vintage laptops or desktops that still have Windows 8 installed.
Modern browsers, antivirus tools, and standard desktop apps will no longer download or update on Windows 8.
Microsoft officially ended extended support for Windows 8.1 on January 10, 2023 . Using it on the internet puts you at high risk for malware and cyberattacks.