There are three steps to the web update process, and there are three buttons on the web update dialog which correspond to the three steps.

1. Click Check for updates to access the RxKinetics web site to check for available updates. If an update is available, the "Download" button will be activated.
2. Select an update from the list by clicking on the check box next to the description, then click the Download updates button to proceed. If the download was successful, the "Install" button will be activated.
3. A running program cannot be replaced.
   Therefore, you must exit RxInterventions before installing an update. Web update will not proceed with the install step until you close RxInterventions.
   After you have closed the RxInterventions program, click the Install updates button to begin the update process.

1. Copy these two files from your current install folder (usually c:\Program files\RxInterventions) to a backup folder or removable media (floppy disk, USB drive, etc) :
   
   • rxinterventions.mdb = database
   • rxint.ini = settings
2. Install RxInterventions© onto your new computer from the original installation CD.
   How to obtain replacement installation CD
3. Copy the files from the floppy created in step 1 to the install folder in your new computer.
4. Download and install the latest update patch from the website.

Yes.

All versions of 64-bit Windows (XP, Vista, 7, 8, 8.1) are able to run 32-bit programs seamlessly through WOW64 which is provided with the operating system and does not have to be explicitly enabled. In other words, it's 100% automatic. (Ref: Microsoft)

According to Microsoft, 32-bit software running under WOW64 has a similar performance when executing under 32-bit Windows. (Ref: Microsoft)