Subtract YOUR version number from the Current Version to check how many days behind your system is.

Example:-

Assume the version number on your ASSET menu was 17.4.38

Current Version Number 17.4.74

Subtract Your Version. 17.4.38
-------------------------------
Number of days behind . . . 36

Result:- You need a 60 Days Upgrade

NOTE:-

0 to 30 you need a 30 day upgrade
31 to 60 you need a 60 day upgrade
61 to 90 you need a 90 day upgrade
91 to 720 you need a 720 day upgrade
more than 720 Call Dealquip during business hours for help.

720 day upgrades are VERY LARGE. You should make sure you never need to do them.