its not possible over steam anymore when u dont on the game in steam, but can google it and find other way - i own the game in gog and have the same issue

also here is a link if u trust me :D

{連結已移除}https://www.mediafire.com/file/b1vhroazqsmiuss/PanzerCorps1.zip/file (i got that link from grondel himself)

ah they kill my link, so google it :)

引用自 endreken：

How do I download Grand Campaign?

Check here if u don´t own it on steam.
https://www.slitherine.com/forum/viewtopic.php?p=1047232#p1047232

If u do, just subscribe(download will start in roughly 5 mins, or restart steam to force it) and then activate it in the games mod-manager in the start menu.

sers,
Thomas