If you bought the disc version, I believe it will work for either OS. Deactivate or sign out on one and install and activate or sign in on the other.
If a download was purchased, you need to contact Adobe:
If you bought the disc version, I believe it will work for either OS. Deactivate or sign out on one and install and activate or sign in on the other.
If a download was purchased, you need to contact Adobe: