Download Welch Keyboard Studio

Windows builds for the multi-board HID studio — EVision, Das Q, Semico/AULA, Sinowealth (…). Choose the NSIS installer or a portable build — hosted on welchsoftware.net.

Windows downloads

Installer (recommended) Portable

… — NSIS installer
… — no install

Also try

Docs hub — compatibility checks and safety notes.
Product page — what the app covers.
General questions: support@welchsoftware.net

Docs Product page

Windows SmartScreen may warn on unsigned builds — choose More info → Run anyway. Leave dry run on until Device Manager shows the expected vendor collection for your board.