Check Microsoft Windows version

There are several ways to check Microsoft Windows version.

1. Windows + Pause

Press "Windows + Pause" keys to open System window

2. Run ver command

ver command is introduced in version 1709.

Check Microsoft Windows version: ver

3. Run winver command

Check Microsoft Windows version: winver

4. REG QUERY

C:\REG QUERY "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion" /v BuildLabEx

Check Microsoft Windows version: REG QUERY

Powershell: Enable Firewall Log

We sometimes need to enable Windows firewall's log to troubleshoot. Here is how.

MSSQL: Fix error 'Consistency validation for SQL Server registry keys'

While installing Microsof SQL Server 2012, I ran into the following error. "The SQL Server registry keys from a prior installation cannot be modified. To continue, see SQL Server Setup documentation about how to fix registry keys." How to fix Replace the D:\x64\FixSqlRegistryKey_x86.exe file with the original file from the ENU\SQLFULL_ENU.iso file downloading from Microsoft Download Center. This ISO file is 4.2GB. So you can click FixSqlRegistryKey_x86.exe to download this file only. After replacing that file, press Re-run to check. All rules are passed.

Linux command: ssh-keygen - Generate SSH Keys

ssh-keygen — authentication key generation, management and conversion

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