[GNC] upgrading from v 3.8 to v 5.12

[Stan Brown (using GC 4.14)]

Stan Brown
Tehachapi, CA, USA
https://BrownMath.com

On 2025-08-01 07:59, Ian D Henry wrote:
> I bought a new computer with windows 11.  I have been using v 3.8 for years
> on a windows 10 machine.  If I install v 5.12 can I open a 3.8 data file or
> are there intermediate steps I should take?

You need to install the latest 3.x, then the latest 4.x, then 5.12. At
each stage, make a backup copy of your data file, then open it, run
Check and Repair, and save it.

Stan Brown
Tehachapi, CA, USA
https://BrownMath.com/