HISABKIT 1.2.0 FOR WINDOWS TEST AND VERIFICATION SUMMARY Verification date recorded by the release: 31 July 2026 BUILD IDENTITY - Installer exists at the release location. - Installer size: 165,963,697 bytes. - Installer SHA-256: C8680CB17D5108DAC241B84811A9082AE5A55461FBBB901BABEB24A1684DB364 - Installed executable reported version 1.2.0.0. - Installer Authenticode status: Not signed. AUTOMATED CHECKS - Six Windows product tests passed. - TypeScript checks passed. - Production-renderer checks passed. MANUAL CHECKS The dashboard, document workflows, GST invoice editor, saved-invoice view, document register, reports/CA export, and optional support page were opened in the installed application. INSTALLATION AND MIGRATION - Installation completed and the installed executable reported version 1.2.0.0. - An installed version 1.1 was upgraded to 1.2. - Existing records were retained and a verified backup was created during the tested migration. OBSERVED DESKTOP CONTROLS Release review recorded renderer network restrictions through Content Security Policy, denied browser permission requests, context isolation, sandbox boundaries, and external navigation restricted to the Support AMK link. LIMITS OF THIS REPORT No antivirus scan, independent penetration test, formal security audit, tax certification, or legal/compliance certification was recorded. These checks do not prove the software is malware-free, completely secure, perfectly accurate, or suitable for every business. Users must verify business documents and keep independent backups.