Help plz

[FrontRUSSIAN 0]

Hey , I got arma 2 and arma 2 oa and got dayz commander and every time I try to get arma OA patch It says wrong CD key and I cant play arma 2 oa from steam . sorry for spelling .

[AmberHelios 2071]

close steam

start steam in admin (right click and run as administrator)

right click on arma2 and properties then local files

click on verify integrity of game cache

run arma2 to the menu

run arma2 oa to the menu

[dappadan95 332]

Contact steam support I supose

[FrontRUSSIAN 0]

thanks I solved it here tutorial If someone needs

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Thanks again.