Broderbund sells The PrintShop for PC, you can view it here: https://www.broderbund.com/the-print-shop. Mackiev software sells The PrintShop for Mac (not the 64-bit version yet). You can see it here: https://www.mackiev.com/store_us.html
These two companies, plus Encore Software and Houghton Mifflin Hartcourt all seem to be somehow involved with each other regarding The PrintShop and other software programs, most notably Family Tree Maker (distributed by MacKiev). IT IS IMPORTANT to note that Family Tree Maker is software that works with Ancestry.com AND that MacKiev just recently finished a major PC and Mac upgrade to Family Tree Maker. It's been out now about 2 months -- but the promised paper version of the manual is still under development. IT IS MY BELIEF that MacKiev software developers were busy for the past year making the new version of Family Tree Maker (in part because they had to make both a PC and Mac version) -- and left The Print Shop for Mac on the back burner because they didn't have to upgrade the PC version.
I'm also guessing that since the new version of Family Tree Maker has been distributed that MacKiev is devoting the necessary resources to upgrade The PrintShop for Mac. The fact is that The Print Shop for Mac has been a mainstay since 1986 (originally published by Broderbund). There are millions of Mac users of The Print Shop around the world, MacKiev isn't going to abandon that many sales.
Right NOW, those of us waiting for a 64-bit Mac version of The PrintShop have the following options:
1) Wait until the new version is completed and published.
2) Reinstall Mojave and use the 32-bit version.
3) Purchase a substitute program like Swift Publisher 5.
4) Purchase the Encore version of Print Shop Mac V. 1.0.234 and install it under the root account of your Mac (see my 2 posts above for information).