Polaris Ranger Full Size 570 ABS Hard Plastic Roof (Pro-Fit Cage) 2015

Will this fit on 2005 Ranger XP

No this particular top will not fit the 2005 Ranger XP's.  You are a bit limited in what is available for the 2005 model year.  Please see the following links for tops that will fit your Year and Model.

https://www.traderhank.com/products/polaris-ranger-steel-top-roof

https://www.traderhank.com/products/2004-08_polaris-ranger-4x4-4x2-xp-6x6-top-cap

I have a 2014 full size (3 seater) ranger 800 HO EFI, was wondering if this would fit? thank you

This particular top will not fit your Ranger.  This top is made for the Pro-Fit style cage and your 2014 Ranger should have round roll bars.  Here are a few options that will fit your Ranger.

https://www.traderhank.com/products/polaris-ranger-hard-top-with-led-map-light

https://www.traderhank.com/products/polaris-ranger-xp-800-plastic-roof

Will this fit on a 2020 ranger 1000

Yes, this will fit the 2020 Polaris Ranger 1000 model.