The latest version of Sage 50 Accounts that is compatible with Sage Job Costing is: 28.0.226.0. To do download this:

1. Log onto your computer as an administrator and close all software.
2. If your v28 is not this exact version number, click the link below:
   
   Download Sage 50 Accounts v28.0.226.0 > 
   
   Depending on your browser the update downloads, or click Save.
3. Locate and right-click SageAccounts_28.0.226.0.exe, then select Run as Administrator.
4. Once the installation is complete, open Sage 50 Accounts.
5. On the menu bar click Help, click About.
6. Under Program Details, check this now shows the latest version.

If Sage 50 Accounts is installed on more than one computer, repeat these steps on each computer including the computer where your data is held.