Helpful Links

All links provided below can be used at your own risk.
SD Tech does not accept any responsibility for any issues arising from the use of any of these applications or the links provided.

Top Downloads

Windows 11 Installation Assistant 25H2

Includes numerous security fixes and updates. Click here to download. You can also download this Service Pack through the Windows Update website.

Download Windows 11

Click here to download the Windows 11 Installation Assistant, Create Windows 11 Installation Media or Download Windows 11 Disk Image (ISO) for x64 devices by clicking here.

Anti-Virus & Anti-Malware

SD Tech recommends SentinelOne for $8/workstation/monthr. Click here to find out more. Below are a few free alternatives.

avast! AntiVirus Free – Download

 Download avast! AntiVirus Free and get the world’s most popular free antivirus.

Malwarebytes’ Anti-Malware – Download

Malwarebytes’ Anti-Malware is considered to be the next step in the detection and removal of malware.

Security Scans

Kaspersky Security Scan – Run Online Scan

Quick scanning for viruses and other security threats. Has access to the latest, cloud-based security information and real-time results from recognized security experts.

Norton Security Scan – Run Online Scan

Test your computer’s exposure to online security threats and learn how to make your computer more secure.

Trend Micro House Call – Run Online Scan

House Call thoroughly scans your computer for viruses, spyware, and known security vulnerabilities. This FREE service demonstrates the power of Trend Micro technologies in a fast and easy solution.

Tools and Utilities

CCleaner by Piriform – Download

 CCleaner is the number-one tool for cleaning your Windows PC

Defraggler by Piriform – Download

 Use Defraggler to defrag your entire hard drive, or individual files – unique in the industry.

Recuva by Piriform – Download

 Recuva is an advanced file recover tool for your PC.

Speccy by Piriform – Download

 Speccy is an advanced System Information tool for your PC.

Speed Tests

Ookla Speed Test – Run Speed Test

 Test your bandwidth, to and from the Internet.

SourceForge HTML5 Speed Test – Run Speed Test

 Test your network latency, to and from the Internet.

Remote Support

TeamViewer QuickSupport (Windows) – Download

 Allows remote troubleshooting and support on your Windows PC. You will need to contact us with the your ID once the installation is complete.

TeamViewer QucikSupport (Mac OS) – Download

 Allows remote troubleshooting and support on your Apple Mac. You will need to contact us with the your ID once the installation is complete.

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