$cred = Get-Credential -Message "Wprowadz poswiadczenia dla komputera serwer"
$cred2 = Get-Credential -Message "Wprowadz poswiadczenia dla komputera DESKTOP-VNM5DM7"
$sesion=New-PSSession -ComputerName serwer -Credential $cred
$sesion2=New-PSSession -ComputerName DESKTOP-VNM5DM7 -Credential $cred2
Enter-PSSession -Session $sesion
Exit-PSSession
Get-PSSession
Invoke-Command -Session $sesion -ScriptBlock { Get-WmiObject -Class Win32_operatingSystem }
New-PSSession -ComputerName serwer -Credential $cred -Name "Backup session"
Invoke-Command -Session (Get-PSSession -Name "Backup session") -ScriptBlock { Get-WmiObject -Class Win32_operatingSystem }
$sesion | Remove-PSSession
Get-PSSession | Remove-PSSession
dir WSMan:\localhost\Shell
Disconnect-PSSession -Session $sesion
Connect-PSSession -Session (Get-PSSession -ComputerName serwer -State Disconnected)
Receive-PSSession -ComputerName serwer 
Get-PSSession -ComputerName serwer -Name "Backup session" | Disconnect-PSSession
$sesion
$sesion2
Enable-PSRemoting -Force
Receive-PSSession -Session $sesion