Network
How to check actual Full Duplex status on network adapters on Windows
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PowerShell:
Get-NetAdapter | SELECT name, fullduplexHow to add Microsoft Loopback adapter to Windows 10
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Open Device Manager, select Action->Add legacy hardware.
How to lower the priority (QoS) of a heavy traffic program to not block your Internet browsing
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Do you have some rogram that heavily sends traffic so that it clogs your Internet? Just lower the QoS for it. It will send at the same average speed, only that it won't impede other traffic.