BIOS Password can be cleared by CMOS reset, but you would have to crack it open to get to CMOS battery.
Link below is a tutorial for Bios Reset ACER Aspire 3610 BIOS Password – Only 8 Steps
Windows Password can be force changed with a bootable USB thumb drive with a Windows Password Recovery Tool using a Linux Distro. I am guessing you dont have a CD or DVD drive, so you will have to create a bootable USB drive with the password reset tool. OR reinstall Windows via External CD or DVD Drive and software or create a bootable thumb drive of say 8GB in size with the OEM disk copied to that drive if it allows with piracy protection maybe not allowing OEM CD or DVD to be copied to another drive.