What should I do with my early 2011 MBP?

This was my daily driver for over 8 years. Untouched since 2020. Now it’s really laggy and can’t hold a charge.

What should I do with it? Downgrade to Mountain Lion? Upgrade the RAM? Sell it for parts?

This was my daily driver for over 8 years. Untouched since 2020. Now it’s really laggy and can’t hold a charge.

What should I do with it? Downgrade to Mountain Lion? Upgrade the RAM? Sell it for parts?