No link my Huawei P20 Lite

In the Windows 10 desktop application, in the “Devices” section, it shows a Qr code and below the instructions, where to go on the phone to link the two devices. In which it puts; “To pair a new device go to RatioSettings in tiles> General> BllockDesk> Pair”, but it turns out that on the phone I don’t have (in the General section) the BllockDesk option. I have Ratio Light installed …