Customer Support
WindowKit is a window manager UI library for web applications. Our team responds to all inquiries within 24 hours, 7 days a week.
Technical support
For licensed customers: installation, integration, defect reports. Include your order id and license key so we can locate your purchase. Premium Support customers receive a contractual 24-hour response SLA.
Sales & licensing
License purchases, payment invoices, enterprise agreements, compliance documents (accessibility test protocol, SBOM, vendor statement).
Security
Vulnerability reports. Please do not disclose details publicly before we confirm a fix.
Order issues & refunds
If a payment succeeded but you have not received your license, email support@windowkit.app with your order id (wk-… from the payment return link). Refund requests are handled per the Refund Policy.
WindowKit is an independent product developed and maintained by Markelangelo, an independent software vendor. WindowKit is not affiliated with, sponsored, or endorsed by Apple Inc. or Microsoft Corporation. macOS and Windows are trademarks of their respective owners.