How/Can I install/run Windows on my older iMac (2007) running OS 10.95?
Solution 1:
It MAY be possible to install Windows 7 on this Mac, possibly Vista, nothing later though. Understand that Windows 7 is EOL in January of 2020. So using it would be a bad idea if you need to connect to the internet with it.
You'll need an ISO (disk Image) of the Windows OS and the correct Bootcamp software (V 4 - 5) and you may be able to get this up and running. there is an archived Apple KBase artical about this here.