I wonder if Bensheim's best bet is to max out his iMac with High Sierra and import his existing iPhoto library into Photos? (He probably doesn't need to go any further than Yosemite, but it may not be available to him.)

The new Great Equalizer is the SEND button.

In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire