You will find websites selling "Acer OEM Windows 10 keys" for $10–$20. Are they legal?
If you need to view your key for troubleshooting, you can use the or specialized tools: acer oem windows 10
Even though your OEM license activates Windows, the hardware drivers are unique to Acer. After a clean install from Microsoft’s tool, Windows Update will install 90% of drivers automatically. However, you may need these Acer-specific tools: You will find websites selling "Acer OEM Windows