This is for if MRS is already installed and an upgrade is needed.
1. Navigate to C:/Program Files (x86)/WJP Software Limited/MRS. Create a New Folder titled BackUp(Todays Date).
2. Copy all the files from C:/Program Files (x86)/WJP Software Limited/MRS into the backup folder.
3. Download the version of MRS you need and unzip it.
4. Copy the contents on the unzipped folder into the MRS folder (make sure you dont copy the config file - this should be removed from the download).
5. Run MRS again, now the latest version should be installed.