Q: I'm trying to install Windows 7 on my iMac. Please help!

I have a 21.5 inch mid 2011 iMac currently running OS X El Capitan 10.11.6

My version of Windows is Windows professional 32-bit which was downloaded online from a website through my university

I have Windows and the Windows support software on a flash drive in my computer

When I try to install it gives me the error message "The installer disc could not be found"

I'm not sure what I'm doing wrong. I followed the instructions exactly but still get the error message.