Aug 19, 2019 · How to Check Network Latency. The first thing you need to do if you think your network is going slowly is to check your current network latency. Using Windows, you can open a command prompt and type tracert followed by the destination you’d like to query, such as cloud.google.com.. Ben da Silva Grave. Replied on December 31, 2017. In reply to Andre Da Costa's post on December 31, 2017. If not, press Windows key + X. Click Device Manager. Expand Network adapters. Right click your adapter. Click Update driver. Click Search automatically for updated driver software. "/>How to reduce latency on windows 10