How to subtract negative keywords from an Ad campaign?

[lata21]

How to subtract negative keywords from an Ad campaign?

[zeus]

Follow this post. I am sure you will find it pretty informative.

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[Davidwatson]

Negative keywords aren't as precise on the Display Network as they are on the Search Network. Your ad may still occasionally appear on pages containing these terms. For Display ads, a maximum of 5,000 negative keywords is considered. Site category options and content exclusions are the best ways to avoid targeting unrelated sites or videos.

[fayeseom]

Add negative keywords to a Search campaign
Sign in to your AdWords account.
Go to your Keywords tab.
Click the Negative keywords tab.
Click + Keywords.
You'll see "Select an ad group." ...
Add your keywords, one per line, and use the appropriate symbols to control the match type. ...
Click Save.

[lata21]

Thanks for all the replies.

[lata21]

Choose Your Keywords Carefully.
Sign in to your AdWords account.
Click the Campaigns tab.
Click Shared library link in the left navigation bar.
Click Campaign negative keywords and then the name of the list that you'd like to modify.
You'll see your negative keyword list. You can: Click + Add to add a new keyword.

I didn't understand what do you mean by library link.