Hello,
There are risks involved.. you need to make your own informed decision -
There's no guaranteed updates. Microsoft may block future updates, including security patches or feature updates.
Unsupported CPUs might lack newer instruction sets or driver optimizations, causing system instability, random crashes, or slow performance. Basically performance is not guaranteed.
OEM might move away from driver support, so you will run into outdated driver.
Microsoft also officially doesn't recommend it: