# Installation Prerequisites To run appRules, your computer must meet the following criteria: * OS – Windows 10/11, Windows Server 2008/2022 and higher * .NET Framework 4.8.1 (Required) * .NET Core 8 - Required for usage of the included caching Engine Microsoft GarnetServer * IIS7 and above (optional, appRules includes its own web server – see [HostService Settings](/apprules-r-documentation/platform/self-hosting/software-installation/hostservice.md)) * ASP Net 4.x or above must be activated in windows for using Host Service (Check Windows Features installed) or IIS ## Installation Notes \ The following may be required to be configured depending on the target machine platform: * Due to UAC, and File permissions in Windows, it will be required to run the Installer “As Administrator” to perform the installation process. * IIS and/or HostService require one opened port each (default 80 and/or 8080), WebApi requires another port opened (default 8082). Port 443 must be opened if using SSL. * GarnetServer requires port 6379 to be also opened. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.appstrategy.com/apprules-r-documentation/platform/self-hosting/software-installation/installation-prerequisites.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.