iMac 9,1 (early 2009) installing Sonoma with open core legacy patcher

Hi, just wondering if anyone has tried installing Mac Os Sonoma on an older iMac , even better if a 9,1 , looking to upgrade this old iMac as has been rendered basically useless due to not being able to install when simple apps on it such as Microsoft word due to the latest os it can officially run being El Capitain. Any advice or experience would be much appreciated before I go ahead and do it. Was also considering if installing windows on it may be a better solution and may run better ?

submitted by /u/t207666
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