One of the ways to get the latest version is to download it from the ShareFile website:
Step 1. Go to https://ids.sharefile.com and log in using your email as username and Updates2018 for password. You will see this log in screen the first time you connect:
Step 2. Go to Shared Folders:
Step 3. You will be able to download the latest version of the software from the Monthly Updates folder. The full version is contained in each update, and they are all backwards compatible - you just need the version available here:
Step 4. Open the downloaded file. Refer to the attached PDF guide if you need help running the update.