Conversely the publicly downloadable WebPlus X8 installation file from Serif appears to accept a third party key during installation, but reports an "unauthorised code" and then terminates the program operation on startup. In March 2016, Serif announced that WebPlus X8 would be the final version, and that there were no current plans to design an application to replace it. Sales of WebPlus X8 by Serif were ended around December 2016.
In early 2018, Serif announced that Serif Web Resources, hosted on Serif servers and required to implement some advanced web-site functionality in WebPlus created sites, would no longer work after 31 August 2018.
In 2018, Serif also shutdown the servers that generated the "Plus" software registration numbers on-line from the product version and the individual generated installation number. Serif revealed the alternative was to use a universal master registration number, which is 881887. This is known to work with post 2003 Serif "Plus" software (e.g. However, later Serif "Plus" software still registers itself automatically if within a certain recent period of a previous Serif software registration on the same PC.
WebPlus was developed for Microsoft Windows "Win32" graphical desktop interface and is fully compatible with Windows XP, Windows Vista (32/64bit), Windows 7 (32/64bit) and Windows 8.
WebPlus X5 introduced a button studio for creating button graphics.Collect website metrics such as page popularity and number of website hits using Google Analytics.Search engine optimization (SEO) tools optimise a websites search ranking with the likes of Google, Yahoo! and Bing.Photo gallery groups a collection of images together and displays them as an animated slideshow.Site navigation bars adopt a website's structure providing a tool for navigating around the website.Google Maps tool embeds maps and optional navigation markers within a website.Add blogs, forums, hit counters, online polls and content management systems to websites using Smart Objects.Form wizard generates online forms to collect information from website visitors.E-Commerce tool to create online stores with providers such as PayPal.Web hosting to upload websites to the internet with the address and email.