Anyone who has ever used TeamViewer application to establish a remote connection between two computers will tell you why TeamViewer is the most preferred software when it comes to remote support, remote administration and online meetings. There are plenty of reasons why over 220 million computer and smartphone users are using TeamViewer for remote connection. One of the many reasons is the fact it’s completely free for personal and non-commercial use, meaning home users can use the best remote control software without having to purchase the license. If you have been assisting your friends and others to resolve their software issues, you probably know that many users don’t want to install software on their PCs that they haven’t used before. If you want to remotely assist a friend or client without installing TeamViewer on your or your client’s PC, you’ll be glad to know that TeamViewer can be used without actually installing it. Simply follow the given below instructions to get the TeamViewer running without installing. Run TeamViewer without installation Step 1: Download TeamViewer by visiting the official page. While we recommend you download the latest version of TeamViewer, you need to make sure that you’re not downloading or using a version of TeamViewer greater than the version installed on the computer which is being used to control or offer support to your computer. The reason is, you can’t establish a connection from TeamViewer 9 to TeamViewer 10 but vice versa is possible. Step 2: After downloading the setup file of TeamViewer, double-click on it to run the setup. Worry not, we aren’t going to install TeamViewer. Step 3: Upon launching the setup, you’ll see the following screen: Here, under How do you want to proceed, select Run only (one time use) option and then select how do you want to use TeamViewer before clicking Accept-Run button to launch TeamViewer without installing. Note that you need to follow the above steps each time you want to run TeamViewer without installing. As an alternative you can also download the portable version of TeamViewer. Although TeamViewer official page doesn’t offer TeamViewer portable version, you can download the latest version of the same by visiting PortableApps.com. How to use TeamViewer to transfer files guide might also interest you.