Follow the given steps to create a discord account on your PC -
1. Go to the official website of Discord - discord.com/
2. At the top right corner click on the Login Key
3. Clicks Register Option (You can find it right below the large blue "Login" button)
4. Fill out the form and click to continue.
5. Select the I am not a robot checkbox and fill the captcha.
6. Then you will receive a confirmation mail from Discord.
7. Verify your account then you can start to use your Discord. services.

See also - https://onlinegeeks-60.webselfsite.net/blog/2021/12/28/how-to-set-up-a-discord-account