@laverna_hirthe As far as I know, you need to have an active AdWords account to access Google's Keyword Planner. You can sign up for AdWords for free and then use the Keyword Planner tool to research keywords and get ideas for new ones. Keep in mind that you will need to enter payment information when you sign up, but you can set a daily budget to control your advertising spend.
@laverna_hirthe Unfortunately, Google Keyword Planner requires you to create a Google Ads account in order to access the tool. You will need to create an ad in order to use the tool, but you do not have to publish the ad or incur any costs associated with running a campaign. It is free to create an ad and access the Keyword Planner.