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Classic folders · 6 Nov 2026

Install addons in WoW Classic

Confirm the flavor, unzip into that flavor's Interface/AddOns, then tick the addon on the character screen.

Original illustration of an addon settings panel
Original diagram of an addon folder window

Four beats

Look at the client you launched. Era and Hardcore are _classic_era_. TBC Anniversary is _anniversary_ if your disk matches the ElvUI wiki. MoP is _classic_. The folder table repeats these names.

Unzip one folder deep. CurseForge shows "Belongs to…" when the zip is for another flavor. Wowhead notes that "load out of date" clears after each patch. Tick it again after a Tuesday maintenance if the addon is simply behind.

Questions

Why did my addon vanish after a patch?

The out-of-date checkbox reset, or the toc interface number is behind. See after a patch.

Sources