Kelk 2010 Portable 2021 'link' -

Kelk 2010 is a Windows-based Arabic music notation and maqam-compatible typesetting/engraving program used by musicians, composers, and publishers to create professional-looking Arabic musical scores. A “portable 2021” version refers to a 2021-era portable build or release of Kelk 2010 intended to run without full installation (e.g., from a USB drive), often including bug fixes, compatibility tweaks for newer Windows versions, and bundled fonts or sample libraries.

If you found your old device or bought one cheap, you will likely run into the "dead device" syndrome. Here is the 2021 troubleshooting guide. kelk 2010 portable 2021