<p><img class="aligncenter wp-image-1705 size-full" src="https://www.xuezdh.com/wp-content/uploads/2021/09/02_sy.jpg" alt="STEP 7 Professional 2021" width="720" height="390" /></p>
<h3>STEP 7 Professional 2021 operating systems</h3>
<p>can be used with the following operating systems:</p>
<p>Windows 10 Pro and Enterprise (64-bit)</p>
<p>Windows Server 2016 (64-bit) (Standard Edition as work station computer)</p>
<p>Windows Server 2019 (64-bit) (Standard Edition as work station computer)</p>
<h3>Contents of STEP 7 Professional 2021</h3>
<p>- STEP 7 V5.7</p>
<p>- Automation License Manager V6.0 SP9 incl. Upd2</p>
<p>- S7-GRAPH V5.7</p>
<p>- S7-SCL V5.7</p>
<p>- S7-PLCSIM V5.4 SP8 incl. Upd1</p>
<p>- S7 Web2PLC V1.0 SP3</p>
<p>- S7 Block Privacy V1.0 SP5</p>
<h3>Installation of STEP 7 Professional 2021</h3>
<p>You can upgrade an existing installation of STEP 7 V5.3, V5.4, V5.5, and V5.6 to STEP 7 Professional 2021. You do not have to uninstall these STEP 7 versions and optional packages. However, you must uninstall older versions and their optional packages beforehand.</p>
<p><img class="aligncenter wp-image-1706 size-full" src="https://www.xuezdh.com/wp-content/uploads/2021/09/step7_2021.gif" alt="STEP 7 Professional 2021å®è£ " width="706" height="528" /></p>
<p>Before you use STEP 7 Professional, Windows must be restarted. Only then do all of the Microsoft Windows entries become active. If you do not restart Windows, STEP 7 Professional cannot run properly and data may be lost. If the installation procedure is aborted, you will also need to restart Windows.</p>
<p>If no valid license key is installed for STEP 7 Professional, the Trial License Keys of the individual products which are always supplied with STEP 7 Professional can be installed.However, these License Keys are only valid for 21 days.</p>
<h3>Uninstalling STEP 7 Professional 2021</h3>
<p>Software products must be removed according to MS Windows.</p>
<p>Use the Microsoft Windows application "Programs and Features" (for example, in the taskbar in …>; Control Panel >; Programs and Features >; Uninstall a program) to remove your software package (for example, "STEP 7").</p>
<p>As an alternative, you can use the setup program to uninstall a program.</p>
<p><img class="aligncenter wp-image-1707 size-full" src="https://www.xuezdh.com/wp-content/uploads/2021/09/40.png" alt="STEP 7 Professional 2021" width="867" height="527" /></p>
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						<span class="xz">If no valid license key is installed for STEP 7 Professional, the Trial License Keys of the individual products which are always supplied with STEP 7 Professional can be installed.However, these License Keys are only valid for 21 days.</span> 
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