Even after 12 years, my late 2008 MacBook Pro hasn't given up. Upgraded it to 8GB of ram, added an SSD, and patched it with MacOS Catalina. Still use it everyday. :
Hynix IC 8GB KIT2x4GB Compatible for Apple DDR3 1067MHz1066MHz PC38500 SODIMM RAM Upgrade for Late 2008 EarlyMidLate 2009 Mid 2010 MacBook MacBook Pro iMac Mac Mini 8GB KIT2x4GB - Newegg.com
My Late 2008 MacBook running El Capitan 10.11.6 (could use a RAM upgrade to 8GB and the HDD upgrade to an SSD to make it swifter than it is currently). : r/macbook
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