To reset your PIN on an Acer Aspire E 15 / E5-575G-334L, you can try the following steps:
1. Click on the "Start" button and select the "Settings" gear icon.
2. In the Settings window, click on "Accounts" and then select "Sign-in options" from the left panel.
3. Under the PIN section, click on the "I forgot my PIN" link.
4. You may be prompted to verify your Microsoft account password.
5. Follow the on-screen instructions to reset your PIN and set a new one.