{"id":290814,"date":"2026-03-13T08:25:00","date_gmt":"2026-03-13T15:25:00","guid":{"rendered":"https:\/\/www.maketecheasier.com\/check-ports-in-use-windows10\/?update=20260313"},"modified":"2026-03-13T08:25:00","modified_gmt":"2026-03-13T15:25:00","slug":"check-ports-in-use-windows10","status":"publish","type":"post","link":"https:\/\/maketecheasier.com\/check-ports-in-use-windows10\/","title":{"rendered":"Windows Hidden Command to See Exactly Which Apps Are Using Your Ports"},"content":{"rendered":"\n<p>Your PC handles thousands of &#8220;digital doors&#8221; called ports to keep you connected to the internet. There are many situations where you may need to track these ports, such as to fix network issues or even detect suspicious activity. This guide will show you the most reliable ways to check ports in Windows.<\/p>\n\n\n<nav class=\"content-toc-wrapper relative lazyblock-toc-1zwpGP wp-block-lazyblock-toc\" aria-label=\"Table of Contents\"><div id=\"content-toc-header\" class=\"content-toc-header flex cursor-pointer items-center justify-between\">\n                <span class=\"text-sm font-semibold\">Table of Contents<\/span>\n                <span class=\"toc-caret\"><svg viewBox=\"0 0 24 24\" class=\"chevron\" width=\"16\" height=\"16\"><use xlink:href=\"#icon-chevron\"><\/use><\/svg><\/span>\n            <\/div><div class=\"content-toc hidden w-full\"><div class=\"toc\"><ul class=\"toc-content font-semibold\"><li><a href=\"#check-ports-cmd\" class=\"toc-link block mb-6\">Check Ports in Windows Using Command Prompt<\/a><\/li><li><a href=\"#check-ports-powershell\" class=\"toc-link block mb-6\">Check Ports in Windows Using PowerShell<\/a><\/li><li><a href=\"#use-resource-monitor\" class=\"toc-link block mb-6\">Use Resource Monitor to Check Ports in Use in Windows<\/a><\/li><li><a href=\"#check-ports-tcpview\" class=\"toc-link block mb-6\">Use TCPView to Check Ports in Windows<\/a><\/li><\/ul><\/div><\/div><\/nav>\n\n\n<h2 class=\"wp-block-heading\" id=\"check-ports-cmd\">Check Ports in Windows Using Command Prompt<\/h2>\n\n\n\n<p>The most common way to check ports in Windows is by using the built-in <strong>netstat<\/strong> (Network Statistics) tool. The <code>netstat<\/code> command has multiple switches that can be individually used, but we&#8217;ll use the full command here to reveal all information. Here&#8217;s how.<\/p>\n\n\n\n<p><a href=\"https:\/\/maketecheasier.com\/open-command-prompt-as-administrator-windows\/\" id=\"https:\/\/maketecheasier.com\/open-command-prompt-as-administrator-windows\/\">Open Command Prompt as administrator<\/a> and run the following command:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>netstat -abno<\/code><\/pre>\n\n\n\n<p>This will steadily bring up a list of open ports that is probably quite long, along with the Windows processes that are using them. Here, the Local Address, State, and PID are the main columns you need to see to track ports:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Local Address:<\/strong> it will list your PC IP address and the port number separated by a colon, like this <code>0.0.0.0:135<\/code>. In this example, <code>135<\/code> is the port number.<\/li>\n\n\n\n<li><strong>State:<\/strong> this will show <strong>LISTENING<\/strong> or <strong>ESTABLISHED<\/strong> status. LISTENING means the program is waiting for a connection, and ESTABLISHED means a live connection is exchanging data.<\/li>\n\n\n\n<li><strong>PID:<\/strong> the Process ID (PID) is a unique number to identify processes. You&#8217;ll need it if a port is not showing the process name, so you can identify it in the <a href=\"https:\/\/maketecheasier.com\/open-task-manager-windows\/\">Task Manager<\/a>.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"776\" height=\"614\" src=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/netstat-ports-cmd.png\" alt=\"Netstat Ports information in CMD\" class=\"wp-image-858841\" srcset=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/netstat-ports-cmd.png 776w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/netstat-ports-cmd-284x225.png 284w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/netstat-ports-cmd-569x450.png 569w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/netstat-ports-cmd-570x451.png 570w\" sizes=\"(max-width: 776px) 100vw, 776px\" \/><\/figure>\n\n\n\n<p>Using the information in these columns, you can detect what&#8217;s running on a specific port and possibly kill the process if it&#8217;s causing conflicts. This information is also vital for <a href=\"https:\/\/maketecheasier.com\/how-to-set-up-port-forwarding-windows-10\/\">setting up port forwarding<\/a>. <\/p>\n\n\n\n<p>If there is too much data, you can also use the <code>findstr<\/code> command to reveal connections on a specific port easily. For example, to view the port <strong>443<\/strong> status, you can type <code>netstat -ano | findstr :443<\/code>. We removed the <code>-b<\/code> switch as process names can mess up the <code>findstr<\/code> formatting sometimes, but it&#8217;s not necessary to remove.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"773\" height=\"277\" src=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/findstr-command.png\" alt=\"Findstr Command running in CMD\" class=\"wp-image-858840\" srcset=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/findstr-command.png 773w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/findstr-command-400x143.png 400w\" sizes=\"(max-width: 773px) 100vw, 773px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"check-ports-powershell\">Check Ports in Windows Using PowerShell<\/h2>\n\n\n\n<p>If you prefer a bit cleaner list, you should use PowerShell instead. Using the <code>Get-NetTCPConnection<\/code> and <code>Get-NetUDPEndpoint<\/code> commands, you can reveal all ports in use in clean columns and rows.<\/p>\n\n\n\n<p><a href=\"https:\/\/maketecheasier.com\/essential-powershell-commands\/#use-powehsell-commands\">Open PowerShell as administrator<\/a> and run <code>Get-NetTCPConnection<\/code> to see TCP connections and <code>Get-NetUDPEndpoint<\/code> to see UDP connections. It will reveal the local IP address, port number (under LocalPort), state, and PID (under OwningProcess). If PID isn&#8217;t revealed, put PowerShell in full screen and run the command again.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"514\" src=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/powershell-ports-command-800x514.png\" alt=\"Ports status in Powershell\" class=\"wp-image-858842\" srcset=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/powershell-ports-command-800x514.png 800w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/powershell-ports-command-350x225.png 350w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/powershell-ports-command-700x450.png 700w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/powershell-ports-command-702x451.png 702w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/powershell-ports-command.png 1203w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Unfortunately, it doesn&#8217;t show the name of the process in this list. You&#8217;ll have to use the PID and match it in Task Manager to find the process.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"use-resource-monitor\">Use Resource Monitor to Check Ports in Use in Windows<\/h2>\n\n\n\n<p>If you prefer a GUI-based method, then Resource Monitor is a great built-in tool to check ports in Windows. Just search &#8220;resource monitor&#8221; in Windows Search and open the <strong>Resource Monitor<\/strong>. <\/p>\n\n\n\n<p>Here, move to the <strong>Network<\/strong> tab and open the <strong>Listening Ports<\/strong> section. It will show all required information, including process name, PID, port number, and protocol. More importantly, it has a <strong>Firewall Status<\/strong> column that shows the current firewall status for a specific port. If a specific port is blocked, you can easily view it here.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"494\" src=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/resource-monitor-check-ports-800x494.png\" alt=\"Resource Monitor Checking Ports\" class=\"wp-image-858843\" srcset=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/resource-monitor-check-ports-800x494.png 800w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/resource-monitor-check-ports-364x225.png 364w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/resource-monitor-check-ports-728x450.png 728w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/resource-monitor-check-ports-730x451.png 730w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/resource-monitor-check-ports.png 851w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>You can click on the column headings to sort the lists, like you can click the <strong>Port<\/strong> heading to sort and easily find a specific port. If you find a conflicting process, you can also close it right inside the Resource Monitor. Just open the <strong>Processes with Network Activity<\/strong>, right-click the process, and select <strong>End process<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"788\" height=\"414\" src=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/close-process-resource-monitor.png\" alt=\"Closing a Process in Resource Monitor\" class=\"wp-image-858839\" srcset=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/close-process-resource-monitor.png 788w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/close-process-resource-monitor-400x210.png 400w\" sizes=\"(max-width: 788px) 100vw, 788px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"check-ports-tcpview\">Use TCPView to Check Ports in Windows<\/h2>\n\n\n\n<p>If you don&#8217;t mind installing a third-party app and want to have more control over what&#8217;s going on with all your ports, you can use a lightweight app called <strong>TCPView<\/strong>. This immediately brings up a list of processes and their associated ports.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"395\" src=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/tcpview-interface-800x395.png\" alt=\"TCPView Interface\" class=\"wp-image-858845\" srcset=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/tcpview-interface-800x395.png 800w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/tcpview-interface-1280x633.png 1280w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/tcpview-interface-400x198.png 400w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/tcpview-interface.png 1404w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>What makes this better than the other methods is that you can actively see the ports opening, closing, and sending packets. Just look for the green, red, and yellow highlights. You can also reorder the list by clicking the column headings, making it easier to find the process you want or two separate processes vying for the same port.<\/p>\n\n\n\n<p>If you do find a process or connection you want to close, just right-click that process and select <strong>End process<\/strong>. You can even click <strong>Close Connection <\/strong>to leave the process open, but stop it from listening on a given port.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"312\" src=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/tcpview-kill-process-800x312.png\" alt=\"TCPView Killing Process\" class=\"wp-image-858846\" srcset=\"https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/tcpview-kill-process-800x312.png 800w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/tcpview-kill-process-400x156.png 400w, https:\/\/maketecheasier.com\/wp-content\/uploads\/2026\/03\/tcpview-kill-process.png 963w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>The information gained from these methods is most useful when you already know the problem, like a <a href=\"https:\/\/maketecheasier.com\/common-windows-problems-and-fixes\/\">Windows error<\/a> that shows a port blocked error. If you are <a href=\"https:\/\/maketecheasier.com\/fix-wi-fi-connected-with-no-internet-windows\/\">troubleshooting network issues<\/a>, you&#8217;ll need to run related <a href=\"https:\/\/maketecheasier.com\/windows-system-diagnosis-commands\/\">diagnostic commands<\/a> to find and fix issues.<\/p>\n\n\n\n<div class=\"p-4 app-info mb-4 lazyblock-app-info-Z1SEgrl wp-block-lazyblock-app-info\">\n    <div class=\"mb-4 app-name\">\n        TCPView\t<\/div>\n    <div class=\"mb-4 app-price\">\n\t\tPrice: Free\t<\/div>\n    <div class=\"mb-4 app-link\">\n        \t\t\t<a href=\"https:\/\/learn.microsoft.com\/en-us\/sysinternals\/downloads\/tcpview\" target=\"_blank\" rel=\"nofollow\" class=\"btn btn-primary\">Download<\/a>\n\t\t    <\/div>\n<\/div>\n<style>\n.app-info{background-color:#464646;border-radius:5px;color:white;}\n.app-name{font-size:1.5rem;font-weight:bold;color:white}.app-name a{color:white;text-decoration:none;}\n<\/style>","protected":false},"excerpt":{"rendered":"<p>It is good to do an audit of your Windows system to find which port is in use. Here&#8217;s how to check the ports in use in Windows.<\/p>\n","protected":false},"author":3194,"featured_media":858847,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4],"tags":[403,2885,4240,22],"class_list":["post-290814","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-command-line","tag-ports","tag-powershell","tag-windows"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Check for Ports in Use in Windows - Make Tech Easier<\/title>\n<meta name=\"description\" content=\"Constantly hitting connection errors? Learn how to identify which apps are hogging your Windows ports using Command Prompt, PowerShell, and easy visual tools.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/maketecheasier.com\/check-ports-in-use-windows10\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Windows Hidden Command to See Exactly Which Apps Are Using Your Ports\" \/>\n<meta property=\"og:description\" content=\"Constantly hitting connection errors? 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