> For the complete documentation index, see [llms.txt](https://enercalc.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://enercalc.com/docs/installation-activation/readme.md).

# Installation & Support

Installing ENERCALC, keeping it updated, licensing and legal terms, and getting support.

How to install ENERCALC or run it in your browser, manage seats and users, keep it updated, and get help. Jump to a topic below:

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h3><i class="fa-download" style="color:$primary;">:download:</i></h3></td><td><h4><strong>Installation</strong></h4></td><td>Install on Windows or Mac, or run the web version with nothing to install</td><td><a href="/docs/installation-activation/installation/install.md">Install ENERCALC</a></td></tr><tr><td><h3><i class="fa-user" style="color:$primary;">:user:</i></h3></td><td><h4><strong>Account</strong></h4></td><td>Create your ENERCALC account and sign in</td><td><a href="/docs/installation-activation/account/sign-up.md">Sign Up</a></td></tr><tr><td><h3><i class="fa-chair" style="color:$primary;">:chair:</i></h3></td><td><h4><strong>Seats &#x26; Users</strong></h4></td><td>See which seats are in use, free one up, and manage your organization's users</td><td><a href="/docs/installation-activation/seats-and-users/managing-seats.md">Managing Seats</a></td></tr><tr><td><h3><i class="fa-rotate" style="color:$primary;">:rotate:</i></h3></td><td><h4><strong>Software Updates</strong></h4></td><td>Keep ENERCALC current with the latest build</td><td><a href="/docs/installation-activation/software-updates/auto-update.md">Updating ENERCALC</a></td></tr><tr><td><h3><i class="fa-scale-balanced" style="color:$primary;">:scale-balanced:</i></h3></td><td><h4><strong>Licensing &#x26; Legal</strong></h4></td><td>License types and the license agreement</td><td><a href="/docs/installation-activation/licensing-and-legal/license-types.md">License Types</a></td></tr><tr><td><h3><i class="fa-life-ring" style="color:$primary;">:life-ring:</i></h3></td><td><h4><strong>Support &#x26; Maintenance</strong></h4></td><td>Subscriptions, getting help, and troubleshooting</td><td><a href="/docs/installation-activation/support-and-maintenance/getting-assistance.md">Getting Assistance</a></td></tr></tbody></table>


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