Arman Castillote

Before becoming an IT Specialist and a Blogger, Arman Castillote has been in the Customer and Technical Support role, providing services to clients globally. His previous experiences opened a path for him to be a Technical Writer who is always willing to learn and improve himself as he is now.

Streamlining Security: Converting CRT Certificates to PEM

Dive in and learn how to use and to convert CRT certificates to PEM via PowerShell scripts in this ATA Learning tutorial!
Arman Castillote Avatar
Arman Castillote 8 min. read

Installing Rust for High-Performance Development on Ubuntu

Learn how to get started by installing Rust in Ubuntu and dive into this powerful programming language in this ATA Learning tutorial!
Arman Castillote Avatar
Arman Castillote 5 min. read

Optimize Windows System Performance Using Revo Uninstaller

Need to remove, clean up and d spring clean on your Windows 10 PC? IF so, learn how to clean house with Revo Uninstaller.
Arman Castillote Avatar
Arman Castillote 5 min. read

Speccy: The Ultimate Guide to Getting Insight into Your PC Hardware

If you need a simple, easy-to-use and free tool to help you gain some insights into your PC's performance, take a look at the Speccy tool!
Arman Castillote Avatar
Arman Castillote 8 min. read

How to Encrypt Email in Gmail : A Powerful Tutorial Guide

In this tutorial, you'll learn how to encrypt emails in Gmail from being read by anyone other than the recipient.
Arman Castillote Avatar
Arman Castillote 7 min. read

How to Encrypt Outlook with Office 365

Learn how to securely send and receive encrypted email with Outlook in this handy, step-by-step guide.
Arman Castillote Avatar
Arman Castillote 4 min. read

Mailvelope: Encrypting Yahoo Email [Step-by-Step]

Learn how to use the free Mailvelope browser extension to encrypt email from any provider using Yahoo Mail as a great example.
Arman Castillote Avatar
Arman Castillote 3 min. read

Learn How Protonmail Encryption Works and Enjoy Its Benefits

ProtonMail provides end-to-end encryption only amongst itself but what about external senders and recipients? Learn how to encrypt those too in this article!
Arman Castillote Avatar
Arman Castillote 4 min. read

9 Ways to Clean Up Windows 10 With Disk Cleanup Cmd

Learn how to delete backup files in Windows 10, clean up temp files, Windows file history and more to keep Windows 10 clean.
Arman Castillote Avatar
Arman Castillote 13 min. read

The De Facto Guide for Converting a PS1 to EXE (7 Ways)

If you need to convert a PS1 script to EXE, look no further. This guide walks you through every possible scenario with step-by-step instructions.
Arman Castillote Avatar
Arman Castillote 18 min. read

Import2 Wizard and Trello: Easily Import CSV Files

Save hours adding Trello cards to a board by using the Import2 Wizard and Trello with step-by-step instructions.
Arman Castillote Avatar
Arman Castillote 7 min. read

Run PowerShell as Administrator: Multiple Methods Explored

Learn various ways to run PowerShell as administrator in this comprehensive tutorial.
Arman Castillote Avatar
Arman Castillote 6 min. read