Did you ever think your computer isn't safe? When someone else maybe uses your computer without your permission or maybe try to interrupt your computer?. Now it's time to make an action. Let me tell you guys how to protect.

sumatra PDF is an open source PDF reader for PC Windows.It's also can opens other format like CHM, DjVu and XPS formats, as well as comic books. With Minimalistic & Simple Design, Sumatra PDF is equipped with extensive features.You can read your.

7Zip (Seven Zip) is a file archiver with a high compression ratio with LZMA and LZMA2 Compression. With its own format (7z), 7Zip can boost  compression ratio than its peers—up to 40% higher!. You can use 7Zip on any computer (Personal or.