How to Boost Your Download Speed. Open the Apple menu. This 2015 guide shows how to speed up downloads in the freeware bittorrent client, Deluge. Also, find more freeware reviews at Gizmos. Is there a limit to this What I mean is if I have a 15 mbps internet connection, then I am currently getting a 1. 21. 6 mbps downloading speed, does it get any higherClick the Apple icon in the top left corner of the screen. Click System Preferences. This is near the top of the Apple drop down menu. Click Network. Its a globe shaped icon in the System Preferences window. Click your current Wi Fi network. It should be in the pane on the left side of the window. Click Advanced. Youll find this near the middle of the window. Click the DNS tab. Its at the top of the window. Click. This option is below the DNS Servers window. Enter a DNS server address. Open. DNS and Google both have reliable, quick DNS servers. Google 8. 8. 8. Open. DNS 2. 08. If you want to enter a preferred and an alternate server address, type in one address e. Click the Hardware tab. Its on the far right side of the tabs at the top of the window. Click the Configure box, then click Manually. This box is near the top of the Hardware page. Click the MTU box, then click Custom. Windows 10 runs pretty fast but you can make it even faster Well show you free tweaks to increase speed and performance. Youll transform Windows 10 from slow. Lifehacker staff writer Nick Douglas says that Overcasts Smart Speed works great for unedited talk shows, but not as well on highly produced shows. The MTU box is below the Configure box. Type 1. 45. 3 into the text field. Its below the MTU box. Click OK. Its at the bottom of the page. Click Apply. This button is at the bottom of the page. Your settings will be saved and applied to your current Wi Fi network. Restart your computer. Once your computer finishes booting up, you can test your download speeds if your network was the reason they were slow, they should be faster now.