Microsoft phone companion in windows 10 with galaxy s8

I am now using asus  bluetooth 5 and cant see phone preview tab that mirrors androids apps anyone suggest help links maybe. here is android 7.0 or higher required what about s8 though wondering yes thanks for reply
https://galaxystore.samsung.com/detail/com.microsoft.appmanager
have on all 3 models pc tab and phone it was there last build the phone preview
https://account.microsoft.com/devices/device?deviceId=global%5B00184003ECC70FEF%5D#windows-update-section

tried many accounts and web see 3 devices and still wondering phone preview  and account thanks i'm looking for QR also

used with flow cant wait for ..