--- title: LockDown Browser for the In School CLT image: https://lockdown.cltexam.com/hubfs/Hubspot%20Landing%20Page%20Featured%20Image.png --- [![Classic Learning Test](https://lockdown.cltexam.com/hs-fs/hubfs/CLT%20Logo%201-1-1.png?width=167&height=60&name=CLT%20Logo%201-1-1.png "Classic Learning Test")](https://cltexam.com) - [Go to Main Website](https://www.cltexam.com/) [Back to Main Website](https://www.cltexam.com/) [Back to Home](https://www.cltexam.com/) # LockDown Browser for the # In-School CLT & CLT10 NOTE: The minimum LockDown version required for Apple and Windows computers has recently been updated. The minimum version required is 2.1.3.07 (Windows) or 2.1.5.01 (Mac). If you already have LockDown on your computer, you may need to download it again. The verification step will notify you if this is the case.  --- This page is to help you prepare to use CLT's LockDown Browser for your upcoming in-school administration! There are instructions and links for the compatible device types below. Prior to test day, you must complete TWO steps: 1. Installation of LockDown Browser 2. Verification of LockDown Browser If your school has Lockdown installed, please skip to the verification step and then perform any necessary updates. For troubleshooting help, please see our [frequently asked questions](https://info.cltexam.com/lockdown-browser-faqs-for-the-in-school-clt?hsLang=en) page.   Your IT team can see [this page](https://lockdown.cltexam.com/hubfs/Ops%20and%20CS/In%20School/Manual%20Related%20Materials/LDB%20one-pager.pdf?hsLang=en) if they need more technical information. For more detailed information about computer requirements, see [here](https://support.respondus.com/hc/en-us/articles/4409607170459-What-are-the-computer-requirements-for-installations-of-Respondus-LockDown-Browser). If you have any questions, please reach out to [schoolsupport@cltexam.com.](mailto:schoolsupport@cltexam.com)   Please see [this paragraph](https://lockdown.cltexam.com/in-school-instructions#disclaimer)for a notice about the use of LockDown Browser's third party software.   --- ## Table of Contents: ### [Step 1: Installing LockDown](https://lockdown.cltexam.com/in-school-instructions#installing) - [For Windows](https://lockdown.cltexam.com/in-school-instructions#windows) - [For Macs](https://lockdown.cltexam.com/in-school-instructions#macs) - [For Chromebooks](https://lockdown.cltexam.com/in-school-instructions#chrome) - [For iPads](https://lockdown.cltexam.com/in-school-instructions#ipads) ### [Step 2: Verifying LockDown](https://lockdown.cltexam.com/in-school-instructions#verifying) --- ### Step 1: Installing LockDown ### For Windows --- System Requirements: Windows 10 or 11 \- Hard Disk Space: 300 MB \- Memory: 4 GB RAM Installation Steps (for individual computers): - Click the button below to download the installation file. - Open the downloaded file. You must have computer administrator permissions to run the installation. - Follow the install wizard steps to complete installation. [Download LockDown for Windows](https://download.cltexam.com/lockdown/windows) ⚠️ By downloading or using LockDown Browser, you acknowledge that LockDown Browser is a third-party software and accept the associated risks. [Click here to learn more](https://lockdown.cltexam.com/in-school-instructions#disclaimer). Looking for a .msi/silent installation file? Reach out to us at schoolsupport@cltexam.com! ### For Macs --- System Requirements: MacOS 12 or later.  \- Hard Disk Space: 400 MB \- Memory: 4 GB RAM Installation: - Click the button below to download the installation file. - Open the downloaded .pkg file (you may need to click the .zip file first to access the .pkg file). You must have computer administrator permissions to run the installation. - Follow the install wizard steps to complete installation. [Download LockDown for macs](https://download.cltexam.com/lockdown/macos) ⚠️ By downloading or using LockDown Browser, you acknowledge that LockDown Browser is a third-party software and accept the associated risks. [Click here to learn more](https://lockdown.cltexam.com/in-school-instructions#disclaimer). ### For Chromebooks --- System Requirements: Update your Chromebook to the most recent version available in order to prevent compatibility issues.  Installation: Click the button below to add the extension to Chrome!  [Add LockDown Extension for chromebooks](https://chromewebstore.google.com/detail/lockdown-browser-for-clt/gpcdffgamfgpklpcfhfbhfooldnaiijj) ⚠️ By downloading or using LockDown Browser, you acknowledge that LockDown Browser is a third-party software and accept the associated risks. [Click here to learn more](https://lockdown.cltexam.com/in-school-instructions#disclaimer). If you are installing the extension to managed Chromebooks [via Google Admin](https://support.google.com/chrome/a/answer/6306504?hl=en), add the app by its ID to the "Users & browsers" section. The extension ID is gpcdffgamfgpklpcfhfbhfooldnaiijj. ### For iPads --- If your students are testing on iPads, you will need to download the LockDown application from the App Store. The app is called "LockDown Browser". If your school has any other kinds of tablets, you will need to use different devices for testing. You could also contact your [partnership director](https://lockdown.cltexam.com/hubfs/CLT%20Contact%20Page%20(1).pdf) for information about paper testing.  ### Step 2: Verifying LockDown Once CLT's LockDown Browser is installed, please click the button below to verify and confirm you are set for test day! [Verify LockDown Browser](https://app2.cltexam.com/lockdown/VERIFICATION?date=2026-09-01) ⚠️ By downloading or using LockDown Browser, you acknowledge that LockDown Browser is a third-party software and accept the associated risks. [Click here to learn more](https://lockdown.cltexam.com/in-school-instructions#disclaimer). We hope this page has helped you feel prepared to use LockDown with CLT! If you have any other questions, please email us at [schoolsupport@cltexam.com](mailto:info@cltexam.com) or send us a message via the chat feature on our website. Thanks for choosing CLT! --- **Note Regarding Use of Third-Party Software:** To complete the online exam, you are required to install and use LockDown Browser, a third-party application provided by Respondus. By installing or using LockDown Browser, you acknowledge that Classic Learning Test is not liable for any damages, data loss, software conflicts, hardware issues, security vulnerabilities, or other adverse effects that may arise from the download, installation, or use of LockDown Browser. Installation and use are at your own risk, and it is your responsibility to ensure that your device meets all requirements and is appropriately backed up. ![CLT Logo 1-1-1](https://lockdown.cltexam.com/hs-fs/hubfs/CLT%20Logo%201-1-1.png?width=167&name=CLT%20Logo%201-1-1.png) [Follow us on Facebook](https://www.facebook.com/CLTexam) [Follow us on LinkedIn](https://www.linkedin.com/company/classiclearningtest) [Follow us on Twitter](https://www.twitter.com/clt_exam) [Follow us on Instagram](https://www.instagram.com/CLTexam/) © 2024 All Rights Reserved ## Team Member Name ![team-member](https://cdn2.hubspot.net/hubfs/5377389/theme/images/stock-images/team-member-1.png) Team member bio information.