Please check below for information about the compatibility of your Sony DSCP100 camera.Windows 7
* Drivers: The drivers needed to connect your Sony camera to a computer and transfer files are already included in the operating system.
Not Supported: The Windows 7 Starter edition is not supported.
Check here how to transfer video clips to a computer running a Windows operating system:
1. Turn on the computer.
2. While the camera power is off, connect it to the computer using the supplied USB cable.
3. Make sure the camera is using a fully charged battery pack or connected to an optional AC power adapter and that it is plugged into a working electrical outlet.
NOTE: Avoid using a battery pack with little remaining charge because transferring may fail or image data might be corrupted if the battery pack shuts down too soon.
4. Make sure media with the recorded video is inserted in the camera.
5. Turn on the camera.
On the LCD screen, a USB indicator will display during and after the communication session.
If this is the first time the camera has been connected to the computer, the computer should automatically install the appropriate USB driver at this time.
6. Transfer the pictures or videos to the computer using one of the following methods:
6.1 Use the Import pictures and videos option.
In the AutoPlay window, click Import Pictures and videos using Windows .
In the Import Pictures and Videos window, click Import Settings .
In the Import Settings window, click the Browse button.
Click to select the location on the computer where you want to copy the movie files (for example My Videos ).
Click the OK button.
In the Import Pictures and Videos dialog box, click the OK button.
Click the Import button.
6.2 Use Picture Motion Browser (PMB) software
Using PMB version 4.3
Using PMB version 5.0
Copy and paste the video files from the Removable Disk window that represents the camera.
a. Open the My Computer or Computer window on the computer.
b. In the My Computer or Computer window, double-click the icon that represents the camera.
c. Click to select the appropriate camera folder that contains the video or picture files you want to transfer.
c.1 The DCIM folder (if available) contains still picture .JPG, or .ARW files and .AVI video files.
c.2 The MP_ROOT folder (if available) contains standard and high-definition .MP4 video files.
c.3 The AVCHD folder (if available) contains high-definition .MTS video files.
NOTE: Depending on your camera and the type of footage recorded, not all the files or folders above may be displayed.
On the computer keyboard, press CTRL+C to copy the camera folder and its contents.
Browse to the location on the computer where you want to copy the picture or video files, such as the My Pictures or My Videos folder.
Press CTRL+V to paste the camera folder and its contents into the computer folder you selected in the above step.
* Movie player software must support the MPEG-4 format to playback standard or high definition .MP4 recordings.
* Movie player software must support the MPEG-4 AVC/H.264 format to playback high-definition .MTS recordings.
* Refer to the developer of your movie player software for information about file format compatibility.
* For the video to be viewable in the PMB software, the folder where the videos or pictures were saved must first be registered in the software. Information about how to register folders is available in the PMB Guide in the Help section of the software. Hope this helps (remember to rating this answer and leave a testimonial comments).