How do I delete all V11 cards after I have upgraded to V12?

[Ahmed7]

To delete all V11 cards after you have upgraded to V12, please do the following:

1. Navigate to Browse on Anki
2. On the left hand-side, find “note types”
3. Find “AnKingOverhaul” (Important: this differs from AnKingOverhaul (AnKingMed / AnKingOverhaul). The former is the V11 note type, the latter is the V12 note type. Make sure to select the former “AnKingOverhaul”
4. Click on any card (left click)
5. Cmd + A (Ctrl + A on Windows) → right click → notes → delete notes

Interactive tutorial

Direct iorad URL: How to delete old v11 cards

You now only have V12 cards in your Anki!