Short, practical guides for everyday IT work.

Concise operational guidance designed for colleagues who need a reliable starting point without digging through dozens of pages.

Create a Windows USB

A clean checklist for downloading official media, choosing GPT/UEFI and preparing a bootable USB.

Use trusted SHA-256 checksums to verify downloaded files before business deployment or installation.

Plan Microsoft 365 Apps deployment XML, architecture, language, update channel and controlled installation options.

A practical sequence for profile, connectivity, credentials and mailbox troubleshooting.

Validate backup coverage, retention and recoverability with restore-focused checks instead of relying on job status alone.

Prepare business Windows endpoints consistently across firmware, updates, security controls, applications and handover.

Understand core DNS record types and how A, AAAA, CNAME, NS and TXT records affect hosting, mail and troubleshooting.

Read an SPF record and understand includes, IP mechanisms and soft-fail or hard-fail endings.

Understand DMARC monitoring, quarantine and reject policies without breaking legitimate mail.

A practical sequence for checking MX, SPF and DMARC when mail delivery is unreliable.