Computer Support, Microsoft 365, Windows Server, Synology NAS and IT Services in Kallithea and Remotely Across Greece
Net On Cosmos | PCW.GR, based in Kallithea, provides comprehensive computer support and IT services for home users, freelancers and small businesses.
With experience in the IT industry since 1996, we help our customers resolve everyday technical issues, upgrade their equipment and make effective use of modern technologies such as Microsoft Windows, Microsoft Office, Microsoft 365, Windows Server, Active Directory and Synology NAS.
Whether you need help with your personal computer or technical support for your business, we can assess your requirements and recommend the most suitable solution.
Remote IT Support – Nationwide Coverage
Many software-related problems can be resolved remotely, without the need to bring your computer to our workshop. We provide fast and secure remote IT support to customers throughout Greece, including Athens, Thessaloniki, mainland Greece and the islands.
Through a secure remote connection, we can assist you with:
- Microsoft Windows troubleshooting.
- Microsoft Office and Microsoft 365 support.
- Outlook setup and troubleshooting.
- OneDrive and Microsoft Teams support.
- Application installation and configuration.
- Checking and installing updates and device drivers.
- Setting up compatible printers and peripheral devices.
- General software troubleshooting.
Computer Repair and Diagnostics
We provide diagnostics and troubleshooting services for Desktop and Laptop computers running Microsoft Windows.
Our most common services include:
- Hardware and software diagnostics.
- Desktop computer repair and Laptop diagnostics.
- Troubleshooting startup and operating system issues.
- Replacement of faulty hardware components, where technically feasible.
- Virus and malware removal.
- Computer performance optimization.
- Internal cleaning and maintenance.
Computer Upgrades
If your computer is running slowly, a properly selected upgrade can significantly improve its performance without necessarily requiring the purchase of a new system.
We can assist you with:
- SATA SSD or NVMe SSD upgrades.
- RAM upgrades.
- Cloning an existing HDD, SSD or NVMe SSD.
- Clean installation of Microsoft Windows, where required.
- Transferring personal files and essential settings to a new computer.
- Checking compatibility and the expected performance improvement before the upgrade.
View Desktop Upgrade Services →
View Laptop Upgrade Services →
Microsoft Windows and Microsoft Office
We provide installation, configuration and technical support for Microsoft Windows, Outlook, Word, Excel and the other Microsoft Office applications.
Typical services include:
- Microsoft Windows installation or reinstallation.
- Basic operating system configuration.
- Installation of drivers and available updates.
- Troubleshooting startup, update and performance issues.
- Outlook configuration and support.
- Troubleshooting Microsoft Word and Excel.
- Installation and configuration of printers, scanners and other peripheral devices.
Microsoft 365
We provide Microsoft 365 installation, configuration and technical support services for freelancers and small businesses.
Our services include:
- Initial Microsoft 365 setup and configuration.
- User creation and management.
- Business email setup through Exchange Online.
- Outlook configuration.
- OneDrive and file-sharing setup.
- Microsoft Teams support.
- Sign-in and synchronization troubleshooting.
- Basic security configuration and access management.
Windows Server and Active Directory
We support small business environments based on Windows Server and Active Directory.
Our services include:
- Windows Server installation and basic configuration.
- Installation and management of Active Directory Domain Services (AD DS), users, groups and computers.
- Group Policy configuration.
- File Server setup and management.
- Shared folder and access permission configuration.
- DNS and DHCP configuration.
- Monitoring updates, system events and available storage space.
- Technical support and troubleshooting.
IT Support for Small Businesses
We support freelancers and small businesses that require reliable technical assistance for their computers, users and essential IT services.
Support may include:
- Desktop and Laptop computer support.
- Installation and configuration of new systems.
- Microsoft Windows, Microsoft Office and Microsoft 365 support.
- User and business account management.
- Windows Server, Active Directory and Synology NAS support.
- Update checks and basic security configuration.
- Backup planning and organization.
- Remote IT support.
IT Support Contracts
For businesses that require continuous technical support, PCW.GR offers flexible IT support contracts tailored to the specific needs of each organisation.
- Scheduled preventive maintenance.
- Priority technical support.
- Fast remote and telephone support.
- Scheduled on-site visits whenever required.
- Continuous monitoring and optimisation of your IT infrastructure.
Synology NAS
We provide installation, configuration, administration and technical support services for Synology NAS systems.
Our services include:
- Initial installation of Synology DSM.
- RAID and Storage Pool configuration.
- Creation of users and Shared Folders.
- Access permission configuration.
- Backup configuration.
- Hyper Backup and Snapshot Replication setup, where supported.
- Secure remote access configuration.
- Installation of updates and required packages.
- Technical support and troubleshooting.
Data Backup, Migration and Protection
Regular backups are essential for protecting personal and business files against drive failure, malware, human error or equipment loss.
Our services may include:
- Backup of personal and business files.
- Backup to an external storage drive.
- Backup to Synology NAS.
- OneDrive file synchronization and storage configuration.
- Data transfer to a new computer or storage device.
- Drive cloning to an SSD or NVMe SSD.
- Verification that backups have completed successfully.
- File restoration from an available backup.
- Data recovery from accessible storage devices, where technically feasible.
Who Are Our Services For?
Net On Cosmos | PCW.GR services are available to:
- Home users.
- Freelancers.
- Small businesses.
- Offices and retail stores.
- Professionals using Microsoft Windows, Microsoft 365 and other business IT services.
Why Choose Net On Cosmos | PCW.GR?
- Supporting home users and small businesses since 1996.
- Expertise in Microsoft Windows, Microsoft 365, Windows Server and Synology NAS.
- Diagnostics and assessment before any work is carried out.
- Recommendations based on your actual requirements and the capabilities of your equipment.
- Clear information about the total cost before any work begins.
- A workshop in Kallithea for repairs, upgrades and equipment installations.
- Remote IT support throughout Greece for software-related issues.
Not Sure Which Service You Need?
You do not need to know whether the problem is caused by hardware failure, a software issue or whether an upgrade is required.
Contact us to discuss your requirements. Following an initial assessment and, where necessary, a technical inspection, we will recommend the most suitable solution.