Sure is. We have always used France French. French Canadian is not quite the same. It's like, how should I say, Differences in Brazilian and European Portuguese.
It will work, there is no way they will expect everyone with multiple PC's to download the same thing on every machine they own. It would be hell for business's. Plus its extra bandwidth for them (not that they care to much about that bit). They did say in a Q&A people will be able to download an ISO to install/upgrade with on multiple machines to stop the need of downloading the same thing over and over also.