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Skills created in Advanced Designer versions before 2.2 can be upgraded to a newer Technology Core version to gain access to features that ship in later releases — for example, Classify By Company, neural-network (deep-learning) training, and script rules. You can keep using and editing pre-2.2 skills without upgrading, but the newer features remain unavailable until you do.
Upgrading retrains-from-scratch all activities that were trained on the previous Technology Core. Make a copy of every skill you plan to upgrade before you start, so you can fall back if the new training quality isn’t acceptable.

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Upgrade the skill

1

Open the skill in Advanced Designer

Select the skill in the Skill Catalog on the start page.
2

Open skill settings

Click the settings button next to the skill’s name.
3

Choose the new Technology Core version

In the Technology Core Version drop-down, select the most recent version, and then click Apply.
4

Retrain the activities

On the Activities tab, every activity that was trained on the previous Technology Core is now marked as needing retraining. For each marked activity, open the Activity Editor and click Train Activity.
5

Verify Extraction Rules activities

Newer Technology Core versions ship updated OCR, which can change extraction results. Review every Extraction Rules activity, check that matching elements still resolve correctly, and adjust search elements as needed.