If you are still using the desktop version of MemInfo,
you can download the latest version here.
(the setup file will be named MemInfoDemo.exe)
If you are new to MemInfo, you can download that same version and use it in Trial mode. The trial version is PC-based. The online version is nearly identical to the PC version. Also, churches with less than 100 families may use this PC-based version for free. The PC version comes with limited support.