I have Photoshop CS 4 version 11.0.2 with Camera Raw version 220.127.116.11.
Can I install later versions of CR?
No. 5.7 is the last version of ACR for CS4.
If thinking of upgrading you only have until the end of this month to qualify for upgrade pricing. After that you pay full price.
For the full list of Camera Raw-compatible Adobe apps, see
What are you trying to achieve?
Retrieving data ...