How do I perform a factory reset of a Lenovo IdeaPad 5 Pro?

Step 1. Open the Start menu and then select Settings ➙ Update & Security ➙ Recovery.
Step 2. Under Reset this PC, click Get started.
Step 3. Choose either Keep my files or Remove everything.
Attention: Back up personal data before choosing Remove everything.
Step 4. Follow on-screen instructions to complete the reset process.

Greetings @kaddkaka ,

For a visual presentation, you can try checking this link here as a reference in performing a full reset on Windows 10 system.

I hope this helps.

Regards.
Dex