1. Click Start
2. Open Control Panel
3. Click Network and Internet
4. Click Network and Sharing Center
5. Click on Change adapter settings
6. Choose the connection that you want to change DNS Server and then right-click and then click Properties
7. Enter the administrator password if it prompt in User Account Control
8. Under “This connection uses the following items”, click on Internet Protocol Version 4 (TCP/IPv4) and then click Properties.
9. Under the General tab, check the Use the following DNS server addresses radio button and then type in your prefered DNS server address.
10. Tick Validate settings upon exit.
11. Click OK. Windows Network Diagnostics will start detecting for problem after clicking OK and if it report that troubleshooting couldn’t identify the problem, your new DNS server addresses is working.

List of free Internet DNS Servers
1. Google Public DNS
DNS Server Addresses: 8.8.8.8 and 8.8.4.4
2. OpenDNS
DNS Server Addresses: 208.67.222.222 and 208.67.220.220
Check if you are connected to OpenDNS @ http://welcome.opendns.com

1. Click Start > Control Panel
2. Under Appearance and Personalization, click on Adjust Screen Resolution.
3. Click the drop-down list next to Resolution and then move the slider to the resolution you want.
4. Click Apply and then click Keep to use the new resolution or click Revert to go back to the previous resolution.

1. Click Start
2. In the search box, type command
3. Click on Command Prompt in the search results listing.

1. Click Start > Control Panel > System and Security > Windows Firewall
2. On the left side of the window, click Turn Windows Firewall on or off
3. Enter the administrator password when it prompt in User Account Control
4. Click Turn off Windows Firewall (not recommended) for both Home or work (private) network location settings and Public network location settings.

1. Click Start > Control Panel > System and Security > Windows Firewall
2. On the left side of the window, click Turn Windows Firewall on or off
3. Enter the administrator password when it prompt in User Account Control
4. Click Turn on Windows Firewall for both Home or work (private) network location settings and Public network location settings.

1. Click Start > Control Panel > System and Security
2. Under Windows Updates, click on Turn automatic updating on or off.
3. Under Important Updates, change the option below to 'Install updates automatically (recommended)'.
4. Tap OK and then enter the administrator password if it prompt in User Account Control.

1. Click Start > Control Panel > System and Security
2. Under Windows Updates, click on Turn automatic updating on or off.
3. Under Important Updates, change the option below to 'Never check for updates (not recommended)'.
4. Tap OK and then enter the administrator password if it prompt in User Account Control.

1. Click Start > Control Panel > System and Security
2. Under Windows Update, click on 'Check for updates'
3. Click 'Check for updates' and it will start checking for new updates.

1. Click Start > Control Panel > System and Security
2. Under Administrative Tools, click on Defragment your hard drive
3. Under the Current status, select the disk you want to defragment and then click Defragment disk.

NOTE:
1. You should analyze the disk first so you will know whether you need to defragment the disk. If the number stated under Last Run is above 10% after you analyze the disk, you should defragment the disk.

1. Click on Start > Control Panel > Network and Internet > Network and Sharing Center
2. Under View your active networks, click on Public network, Home network or Work network
3. Change the Network Location to your choice

1. Click Start > Control Panel > Network and Internet > Network and Sharing Center
2. Under Change your networking settings, click Set up a new connection or network
3. Click Connect to a workplace
4. Click Use my Internet connection (VPN)
5. Type in either a domain name or IP address in Internet address box and the name of the VPN connection in the Destination name box. After that, click Next.
6. Type in your login info and then click Create. You may want to click Remember this password so you won't have to type your login info again when you want to connect the next time.

1. Click Start > Control Panel
2. Under Programs, click Uninstall a program.
3. Select the program you want to uninstall and then click Uninstall.
4. Enter the administrator password if it prompt in User Account Control.

1. Click Start > Control Panel > Programs
2. Under Programs and Features, click View installed updates.
3. Select the update you want to uninstall and then click Uninstall.
4. If it prompt the message 'Are you sure you want to uninstall this update?', click Yes.
5. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.