Unblock SOLIDWORKS Installation Zip Files Before Unzipping

Downloaded zip files can be ‘Blocked’ by Windows and this can prevent an executable, such as the SOLIDWORKS Installation Manager from running correctly. To avoid this, the SOLIDWORKS Installation zip file should first be ‘Unblocked.’

To ‘Unblock’ a zip file, right-click on the file and choose properties.

Editing Properties of a Zip File

In the Zip file Properties, check ‘Unblock’ and click on ‘Apply.’

Setting ‘Unblock’ in File Properties

Click OK to close the file properties dialogue box.

The zip file can be unzipped by right-clicking on the file and selecting Windows ‘Extract All…’ Other zip programs such as 7-Zip can also be used

Extracting Zip File