How to install a open source office software in win 10 platform?

 

Product Details

Software Name	libreoffice
Version	7.2.2
Last Updated	Thu, 07 Oct 2021 18:32:28 GMT
Operating System	For Windows XP, Vista, 7, 8, 10 (32\64-bit)
Category	Office Production Software
License Type	Freeware
File Size	323 MB
Official Site	https://www.libreoffice.org/donate/dl/win-x86_64/7.2.2/zh-TW/LibreOffice_7.2.2_Win_x64.msi
Hash	SHA-256 Hash: 422e733813bd853f37ef7731d75e554e73d3230c78b9bd58e39c0a8c2b6a45d0 SHA-1 Hash: 87c99b84383e64ece4a855c783e0481d9748b7bf MD5 Hash: 97aa7118b550ea568d5ea7d76cda66c3

 

Step1. Download the software in Win 10 platform 

Step2. Donate on the page of donate , choose 19 USD for each computer you use

Notes: The libre office is partially compatible with Microsoft Office , although it is a free software , but it is suffer from fund issues , so if we , Taiwan need  a opensource office production software , we are all need to consider donate when we are in a business suit environment. 

How to monitor your PC and review the on and off time?

 

Product Details

Software Name	PcOnOffTime.exe
Version	3.2
Last Updated	December 15, 2016
Operating System	For Windows XP, Vista, 7, 8, 10 (32\64-bit)
Category	Forensic Analysis Tools
License Type	Freeware
File Size	298 KB
Official Site	https://www.neuber.com/free/pctime/index.html
SHA-256	01AE9CC495583B0F18842165422989BFFDC960858F1BEFBF0AB0BDB181170F9D
MD5	D3046738F10B59EDF9817CA98F3EDC9B

 

Step1. download PC On Off time and open the zip file by win10

Step2.check the md5 and then execute the exe

Step3.You will see the last 3 weeks on and off time

Step4.for example oct 4 and 13 , i install CentOS and then it shows that the computer is on in middle night.

How to use MD5 Checksum Tool v4.3?

Product Details

Software Name	md5-checksum-tool
Version	4.3
Last Updated	December 19, 2017
Operating System	For Windows XP, Vista, 7, 8, 10 (32\64-bit)
Category	Forensic Analysis Tools
License Type	Freeware
File Size	1.9 MB
Official Site	https://www.novirusthanks.org/products/md5-checksum-tool/

 

How to use md5 check sum software to enhance software download security? 

To do this , you may need a fingerprint of each file to verified there integration.

Step 1. down load MD5 Checksum Tool 

  

https://www.novirusthanks.org/products/md5-checksum-tool/

Step2. Choose Portable  Version

Step3. Unzip in disk

Step4. Execution in disk (assume it is locate in C:\Users\user\Downloads\md5check_portable）

Step5.Browse the file you want to hash , for example C:\Users\user\Downloads\CentOS-8.4.2105-x86_64-dvd1 (1).iso

Step6. The sample is CentOS-8.4 , so we go to the download site of the file , and you will find Checksum use SHA-256

Step7. Check the CHECKSUM and compare result of MD5 Checksum Tool V4.3 which is 

0394ECFA994DB75EFC1413207D2E5AC67AF4F6685B3B896E2837C682221FD6B2

Bingo , they are the same. 

How did it happen?

Because the Algorithm of SHA 256 is build in both the CentOS and the Checksum tools , when they measure the same file , the fingerprint must be the same. So we can use it to check if there is a little mismatch of the file between the CentOS Team release and  what we download.