--- title: What are the Block 64 Discovery Application system requirements? description: Block 64 Support Center --- [Skip to content](https://support.block64.com/what-are-the-block-64-discovery-application-system-requirements#main-content) [Customer Portal](https://customerportal.block64.com/tickets-view?hsLang=en) [![Logo - dark](https://support.block64.com/hs-fs/hubfs/Logo%20-%20dark.png?width=350&height=86&name=Logo%20-%20dark.png)](https://support.block64.com/?hsLang=en) - [Home](https://support.block64.com/) - [Insights Portal](https://insights.block64.com/login) - Platform Show submenu for Platform - [Block 64](https://www.block64.com/) - [Why Block 64?](https://www.block64.com/#:~:text=What%20makes%2CBlock%2064%20different) - Solutions Show submenu for Solutions - [Unified Visibility](https://www.block64.com/solutions/unified-visibility) - [Cost Optimization](https://www.block64.com/solutions/cost-optimization) - [Proactive Security](https://www.block64.com/solutions/proactive-security) - [Compliance](https://www.block64.com/solutions/continuous-compliance) - Learn Show submenu for Learn - [Quick Start Guides](https://support.block64.com/getting-started) - [Integrations](https://support.block64.com/documentation#integrations) - [Blog](https://www.block64.com/blog) - Support Show submenu for Support - [Trust Center](https://trust.block64.com/) - [Service Health](https://status.block64.com/) - [Partners](https://www.block64.com/partners) - [Contact Us](https://www.block64.com/contact) - [Pricing](https://www.block64.com/pricing) - [Get Started Free](https://www.block64.com/free-trial) Open main navigation Close main navigation - [Home](https://support.block64.com/) - [Insights Portal](https://insights.block64.com/login) - Platform Show submenu for Platform - [Block 64](https://www.block64.com/) - [Why Block 64?](https://www.block64.com/#:~:text=What%20makes%2CBlock%2064%20different) - Solutions Show submenu for Solutions - [Unified Visibility](https://www.block64.com/solutions/unified-visibility) - [Cost Optimization](https://www.block64.com/solutions/cost-optimization) - [Proactive Security](https://www.block64.com/solutions/proactive-security) - [Compliance](https://www.block64.com/solutions/continuous-compliance) - Learn Show submenu for Learn - [Quick Start Guides](https://support.block64.com/getting-started) - [Integrations](https://support.block64.com/documentation#integrations) - [Blog](https://www.block64.com/blog) - Support Show submenu for Support - [Trust Center](https://trust.block64.com/) - [Service Health](https://status.block64.com/) - [Partners](https://www.block64.com/partners) - [Contact Us](https://www.block64.com/contact) - [Pricing](https://www.block64.com/pricing) - [Get Started Free](https://www.block64.com/free-trial) - - [Customer Portal](https://customerportal.block64.com/tickets-view) - [Submit a Support Request](https://support.block64.com/kb-tickets/new) [Submit a Support Request](https://support.block64.com/kb-tickets/new?hsLang=en) How can we assist you today? - There are no suggestions because the search field is empty. 1. [Block 64 Support Center](https://support.block64.com/?hsLang=en) 2. [FAQs](https://support.block64.com/faqs?hsLang=en) 3. [Block 64 Discovery](https://support.block64.com/faqs?hsLang=en#block-64-discovery) # What are the Block 64 Discovery Application system requirements? As of version 3.5.0 of the Block 64 Discovery Application, Windows 7 SP1 is now the minimum OS requirement for installation. However, there are some prerequisites and details that are worth noting. See below for more details. ### Operating System **Minimum:** Windows 7 SP1 or Windows Server 2008 R2 SP1 **Recommended:** Windows 10 release 1607 or newer or Windows Server 2016 or newer ### CPU **Minimum:** 4 CPU cores **Recommended:** 4 CPU cores or more ### Memory **Minimum:** 8GB of **available memory** **Recommended:** 8GB of **available memory** or more **Note:** on virtual machine deployments, dynamically allocated memory may not appear to the VM as expected. To ensure the full complement of allocated RAM is available to the VM, disable dynamic memory. ### Software Prerequisites ### NPCAP NPCAP, required for network discovery, is included by the application installer. You may see a notification for the NPCAP driver installation as below. You can safely click on **Install**. ![](https://support.block64.com/hubfs/Knowledge%20Base%20Import/14531877794583.png) More details about NPCAP can be found here: [https://nmap.org/npcap/](https://nmap.org/npcap/) ### Windows Updates If you are deploying the application on an operating system older than the recommended (see above), the updates below may not already be installed. These updates are included during install, but it is recommended to install these prior to deployment in order to appropriately control necessary reboots. - Security Update KB4474419 [https://www.catalog.update.microsoft.com/Search.aspx?q=KB4474419](https://www.catalog.update.microsoft.com/Search.aspx?q=KB4474419) - .NET Framework 4.7.2 [https://dotnet.microsoft.com/download/dotnet-framework/net472](https://dotnet.microsoft.com/download/dotnet-framework/net472) - PowerShell 3.0 [https://www.microsoft.com/en-ca/download/details.aspx?id=34595](https://www.microsoft.com/en-ca/download/details.aspx?id=34595) If you are prompted to reboot, it is highly recommended to follow that prompt to ensure a smooth install of the discovery application. - [Getting Started](https://support.block64.com/getting-started?hsLang=en#main-content) - [Free Trial Onboarding](https://support.block64.com/getting-started?hsLang=en#free-trial-onboarding) - [Start Your Subscription](https://support.block64.com/getting-started?hsLang=en#start-your-subscription) - [Discovery Application Installation](https://support.block64.com/getting-started?hsLang=en#discovery-application-installation) - [Discovery Appliance Setup](https://support.block64.com/getting-started?hsLang=en#discovery-appliance-setup) - [Discovery Agent Deployment](https://support.block64.com/getting-started?hsLang=en#discovery-agent-deployment) - [Insights Reports](https://support.block64.com/insights-reports?hsLang=en#main-content) - [IT Asset Management](https://support.block64.com/insights-reports?hsLang=en#it-asset-management) - [Security](https://support.block64.com/insights-reports?hsLang=en#security) - [Cloud & Infrastructure](https://support.block64.com/insights-reports?hsLang=en#cloud-infrastructure) - [Legacy Combine User Guide](https://support.block64.com/insights-reports?hsLang=en#legacy-combine-user-guide) - [Troubleshooting](https://support.block64.com/troubleshooting?hsLang=en#main-content) - [Discovery: Insights Portal](https://support.block64.com/troubleshooting?hsLang=en#discovery-insights-portal) - [Insights Calculations](https://support.block64.com/troubleshooting?hsLang=en#insights-calculations) - [Discovery: Block 64 Windows Application](https://support.block64.com/troubleshooting?hsLang=en#discovery-block-64-windows-application) - [Discovery: BlockBox Appliance](https://support.block64.com/troubleshooting?hsLang=en#discovery-blockbox-appliance) - [Block 64 Discovery Agent](https://support.block64.com/troubleshooting?hsLang=en#block-64-discovery-agent) - [Documentation](https://support.block64.com/documentation?hsLang=en#main-content) - [Insights: Integrations](https://support.block64.com/documentation?hsLang=en#insights-integrations) - [Privacy and Security](https://support.block64.com/documentation?hsLang=en#privacy-and-security) - [Block 64 API](https://support.block64.com/documentation?hsLang=en#block-64-api) - [Discovery: General Knowledge](https://support.block64.com/documentation?hsLang=en#discovery-general-knowledge) - [FAQs](https://support.block64.com/faqs?hsLang=en#main-content) - [Security](https://support.block64.com/faqs?hsLang=en#security) - [Block 64 Discovery](https://support.block64.com/faqs?hsLang=en#block-64-discovery) - [New Features & Updates](https://support.block64.com/new-features-updates?hsLang=en#main-content) - [New Features & Updates](https://support.block64.com/new-features-updates?hsLang=en#new-features-updates) - [Combine](https://support.block64.com/new-features-updates?hsLang=en#combine) - [Block 64 Discovery](https://support.block64.com/new-features-updates?hsLang=en#block-64-discovery) - [Remote Discovery Agent](https://support.block64.com/new-features-updates?hsLang=en#remote-discovery-agent) - [Combine API](https://support.block64.com/new-features-updates?hsLang=en#combine-api) - [BlockBox Virtual Appliance](https://support.block64.com/new-features-updates?hsLang=en#blockbox-virtual-appliance) [![Logomark - dark](https://support.block64.com/hs-fs/hubfs/Logomark%20-%20dark.png?width=60&height=96&name=Logomark%20-%20dark.png "Logomark - dark")](http://block64.com) 300 Geary Ave, Toronto, ON M6H 2C5, Canada +1 800-875-5260 [www.block64.com](https://www.block64.com/)