Polaris Office Product

• What is Windows Polaris Office (Cloud Office)?
• What is Windows Polaris Office PC (Lifetime)?
• [Windows] What is the differences between Polaris Office (Cloud) and Polaris Office PC (Lifetime) on Windows?
• What is Mac 'Polaris Office - PDF & Docs' (Cloud Office)?
• What is 'Polaris Office PC(Lifetime)' for mac?
• [Mac] What is the differences between Polaris Office - Docs & PDF (Cloud) and Polaris Office PC (Lifetime)?
• What is Android 'Polaris Office - Free Docs, Sheets, Slides + PDF' (Cloud Office)?
• What is iOS 'Polaris Office - PDF & Docs' (Cloud Office)?
• What is iOS 'Polaris Office Mobile'?
• [iOS] What is the difference between Polaris Office and Polaris Office Mobile?
• The pop-up says 'The entered license key is only valid for an older version of Polaris Office' when you install Polaris Office Lifetime version?
• I am using Lifetime version, but I changed my device. How can I reinstall Lifetime version?
• I am using Polaris Office Mobile on iOS devices, but I changed my device. How can I reinstall the Polaris Office Mobile app again??