<p>*<strong>UPGRADE IN PROGRESS</strong>* -- CareerCircle platform upgrades will occur between Monday June 27th 10PM Eastern Time through Tuesday June 28th 4AM Eastern Time.&nbsp; The system may be intermittently unavailable during this timeframe.&nbsp;&nbsp;</p>

<p>*<strong>UPGRADE IN PROGRESS</strong>* -- CareerCircle is upgrading its capabilities and as a result the system may be temporarily unavailable as we bring new capabilities and infrastructure online to better serve our members.&nbsp; <span style="text-decoration: underline;">If you receive an error during this timeframe please bear with us as we're working to improve our system and you may need to retry that operation at a later time.</span>&nbsp; &nbsp;</p>

<h2><a href="https://focusonforce.com" rel="follow">Focus on Force</a></h2>
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<h2><span><strong><b><a href="https://trailhead.salesforce.com/help?article=Salesforce-Certified-Platform-Developer-I-Exam-Guide" title="https://trailhead.salesforce.com/help?article=Salesforce-Certified-Platform-Developer-I-Exam-Guide" rel="follow">Salesforce Certified Platform Developer I Exam Guide</a></b></strong></span></h2>
<h2><span><strong><b><br /></b><a href="https://trailhead.salesforce.com/users/00550000006yDdKAAU/trailmixes/prepare-for-your-salesforce-platform-developer-i-credential" title="https://trailhead.salesforce.com/users/00550000006yDdKAAU/trailmixes/prepare-for-your-salesforce-platform-developer-i-credential" rel="follow"><b>Prepare for Your Salesforce Platform Developer I Credential</b></a></strong></span></h2>
<h2><span><strong><br /><a href="https://trailhead.salesforce.com/en/content/learn/trails/platform-developer-i-certification-study-guide" title="https://trailhead.salesforce.com/en/content/learn/trails/platform-developer-i-certification-study-guide" rel="follow"><b>Study for the Platform Developer I Exam</b></a></strong></span></h2>
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Take your exam prep even further with the following resources found around the web that our members have reported as additional helpful study tools.

TVB 450 For Platform Developer 1 Resources

Focus on Force

Salesforce Certified Platform Developer I Exam Guide

Prepare for Your Salesforce Platform Developer I Credential

Study for the Platform Developer I Exam