Over a two-month period, contributed to Windows package management by updating and maintaining installer configurations in YAML for the qishibo/winget-pkgs and telegramdesktop/winget-pkgs repositories. Delivered a new Adobe Acrobat Reader 64-bit package, enhancing installer metadata, locale support, and versioning to improve reliability for enterprise deployments. Later, shipped the TeraTerm 5.5.0 release, introducing cross-architecture binaries, updated localization, new SSH2 key exchange support, and serial port macro enhancements. Focused on precise package management and installer configuration, the work ensured streamlined deployment and consistent updates for end users, leveraging YAML development to align with Winget workflows and enterprise requirements.