Below script allows to remove ESET product from Windows 10 / 11 without system restart nor entering to Recovery  Mode.

#WMI object refreshing
net stop winmgmt /y
winmgmt /resetrepository
net start winmgmt

# retriving GUID for ESET
$eset = Get-CimInstance -ClassName Win32_Product | Where-Object { $_.Name -like "*ESET*" }

$esetVersion = $eset.name
$Win32_Product_query = "SELECT * FROM AntivirusProduct WHERE displayName = '$esetVersion'"
$SecurityCenter2_query = Get-WmiObject -Namespace "root\SecurityCenter2" -Query "SELECT * FROM AntivirusProduct WHERE displayName = 'ESET Endpoint Security'" 
$SecurityCenter2_query2 = Get-WmiObject -Namespace "root\SecurityCenter2" -Query "SELECT * FROM AntivirusProduct WHERE displayName = 'ESET Security'"

if ($eset) {
# display GUID 
$eset | Select-Object Name, IdentifyingNumber
# ESET deinstallation
$msiGuid = $eset.IdentifyingNumber
$msiexecArgs = "/x $msiGuid /quiet /norestart"
Start-Process msiexec.exe -ArgumentList $msiexecArgs -Wait
Write-Host "ESET has been successfully uninstalled."
} 
else {
Write-Host "ESET was not found on this system" -BackgroundColor Green;
}

if ($SecurityCenter2_query) {
$SecurityCenter2_query | Remove-WMIObject
Write-Host "ESET Endpoint Security record was found in the root\SecurityCenter2 namespace. The record has been deleted" -BackgroundColor Green;
}
if ($SecurityCenter2_query2) {
$SecurityCenter2_query2 | Remove-WMIObject
Write-Host "ESET Security record was found in the root\SecurityCenter2 namespace. The record has been deleted" -BackgroundColor Green;
}

#REMOVE POSSIBLE QUARANTINE FOLDERS
$quarantine_folders = @(
"C:\ProgramData\ESET\ESET NOD32 Antivirus\Quarantine",
"C:\ProgramData\ESET\ESET Internet Security\Quarantine",
"C:\User\AppData\Local\ESET\ESET Security"
"C:\Users\Default\AppData\Local\ESET"
)
foreach ($quarantine_folder in $quarantine_folders) {
if (Test-Path $quarantine_folder) {
try {
Remove-Item -Path $quarantine_folder -Recurse -Force
Write-Host "Folder: $quarantine_folder has been deleted." -ForegroundColor Green
} catch {
Write-Host "An error occurred while deleting a folder: $quarantine_folder $_" -ForegroundColor Red
}
}
else {
Write-Host "Folder $quarantine_folder not exist." -ForegroundColor Yellow
} 
}