Here is the VPX All-In-One Installer v7.2... (Start with this, as it installs everything you need, except Pup Player.)
All-in-one (almost) installer (VPX10.7.2, VP9.9.5b, VP9.9PM5(updated Plunger/Accel/Surround MOD)b, VP9.2.1, VP8, VPM3.4, DMDext, FlexDMD, X/UltraDMD, B2S, Core.vbs scripts). Open the zip, run the .exe, enjoy. For detailed credits, changelogs...
pinballnirvana.com
I would steer clear of the beta versions, but if you are going to use them,
Simply copy the contents of the latest beta version into your Visual Pinball folder, and overwrite existing files when asked. (No need to install each version, the latest one will be fine.)
You can save your tables, roms and such to a different folder to be safe, but I believe there is no need as the Installer just installs over existing install.