How to generate access token in Salesforce?

<div>Follow these steps to generate an access token:</div>1. Go to Setup -> enter Apps in the Quick Find box -> select App Manager.
2. Locate the OAuth connected app in the apps list, click Action dropdown, and select View.
3. In the Initial Access Token for Dynamic Client Registration section, click Generate if an initial access token hasn’t been created for the connected app. If a token has already been created for the app, but you require a new token, click Regenerate.
4. Regenerating the initial access token invalidates the previous one that your OAuth clients use. Update your OAuth clients to use the new token.
5. Click Click to reveal, and copy the token for registration with the app’s OAuth 2.0 client.