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If you’d like to try out an extension before you purchase it, look for an Install Trial button, which enables you to try how the extension works before you buy it. Tip: After you purchase an extension, the Extension Warehouse doesn’t offer refunds. If you don’t receive a receipt email shortly after your purchase is complete, check your spam folder. Your receipt is emailed to the email address you use to sign in to Extension Warehouse. Billing information is required to verify your credit card.
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Installing extensions manually in SketchUp Finding and using an extension after it’s installed.Trying or purchasing extensions in the Extension Warehouse.
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Installing extensions manually in SketchUp.