I have ACR 6.7 but want to have the latest version of ACR. I have downloaded 10.3 (i think that's what it was) but when i open CS5 and Bridge, the plug-in shows it's version 6.7. Am i not able to have any newer ACR versions anymore? I REFUSE to do the Cloud after spending so much money on a perfectly good working version of Photoshop, but there are some features on the newer versions of ACR that i would really like to have. I have a bunch of stained glass windows and want to play around with the auto perspective fix. Thanks in advance. I also don't want to uninstall/re-install CS5 if i can avoid it.
Am i not able to have any newer ACR versions anymore?
That is correct. There is a list of which versions of ACR are compatible with which versions of Adobe apps here:
That table shows that ACR 6.7 was the last version which was compatible with CS5.
To explore the newer tools in Camera Raw you'll have to either join the Cloud or try Photoshop Elements which comes with its own version of ACR 10.3 albeit with less tools than ACR for full Photoshop.