It is google translation.
The FAQ seems to have the following items.
[Windows] Help! I’m getting a BIOS error about VT-X/AMD-v during installation
It seems that there are settings depending on security software.
Intel VT-x を有効化する方法 windows BIOS 設定が反映されない時のチェックポイント
（Japanese）
Looking for intel VT-x in youtube by keyword seems to have some videos