IObit Advanced SystemCare Ultimate 18 - Original License

Advanced SystemCare Ultimate 18 system requirements

Windows, minimum requirements

• Operating system: Windows 11, Windows 10, Windows 8/8.1, Windows 7, Windows XP, Windows Vista (32-bit and 64-bit)
• RAM: 512 MB minimum (1 GB or more recommended for optimal performance)
• Disk space: 700 MB available for installation
• Internet connection: required for activation, antivirus database updates, and Junk File Cloud

Technical notes

• If an antivirus with real-time protection is already installed, IObit offers installation in compatibility mode, which disables the AV component of ASC Ultimate; all optimization tools remain active
• Safe Folder requires setting a password during the initial configuration
• Adaptive AI mode improves its optimization plans over time based on the PC’s usage habits
• AutoCare can be configured to run in the background at scheduled times, further reducing the impact on resources during active use
• Silent Mode activates automatically during gaming sessions detected by the system or manually for any full-screen application

How to download and install Advanced SystemCare Ultimate 18

Advanced SystemCare Ultimate 18 is downloaded directly from the official IObit website. After purchasing on Mr Key Shop, you will receive the original product key via email. Here is the complete process:

1. Download the software

Go to iobit.com, search for Advanced SystemCare Ultimate 18, and download the installation file. The downloaded version initially works in Free or trial mode: it is the product key that immediately unlocks all Ultimate features.

2. Run the installation

Launch the downloaded file and follow the setup wizard. During installation, you may see offers for additional IObit software: deselect anything you do not need before proceeding. The installation takes about one minute.

Important note: if you already have another antivirus with real-time protection enabled, IObit will suggest installation in compatibility mode, which disables the real-time antivirus component of ASC Ultimate to avoid conflicts. You can always re-enable it manually later. If you do not have an antivirus installed, ASC Ultimate 18 will function as your primary security solution.

3. Activate with the product key

Open the program, click on the profile icon or Register/Activate in the interface, enter the product key received from Mr Key Shop, and confirm. All Ultimate features are activated immediately: Bitdefender antivirus, anti-ransomware, Safe Folder, and full browser protection.

4. Configure Safe Folder

From the dedicated section, add folders containing your most important files, documents, photos, and work archives. Safe Folder immediately protects them from unauthorized access and any ransomware encryption attempts.

5. First scan

Run an initial full scan from the main panel. ASC Ultimate will analyze the system for files to clean, startup processes to optimize, existing threats, and browser vulnerabilities. Apply the results with one click.

Frequently Asked Questions about IObit Advanced SystemCare Ultimate 18

• What is Advanced SystemCare Ultimate 18? 

Advanced SystemCare Ultimate 18 is IObit’s all-in-one security and optimization suite for Windows, released on November 17, 2025. It combines the Bitdefender antivirus engine, anti-ransomware protection, Safe Folder for sensitive files, and all advanced system optimization tools into a single one-click interface.

• What is the difference between Advanced SystemCare Ultimate 18 and Advanced SystemCare PRO? 

The optimization features are identical. Ultimate adds the real-time Bitdefender antivirus engine, anti-ransomware, Safe Folder for protecting sensitive files, and advanced Browser/Email Protection. Those who already have a reliable antivirus can choose PRO; those who want optimization and security in a single product choose Ultimate.

• Are Advanced SystemCare Ultimate 18 and Advanced SystemCare 19 the same product? 

No. They are distinct products with separate roadmaps. ASC 19 focuses exclusively on optimization without antivirus. ASC Ultimate 18 includes Bitdefender antivirus as its core component. Version numbers are not sequential because they follow independent development paths.

• What is Safe Folder and how does it protect against ransomware? 

Safe Folder is a protected directory where you can store sensitive files. No process, including ransomware, can access, modify, or encrypt the files inside without explicit user authorization. It operates at the file system access level, blocking encryption attempts before they occur.

• Can Advanced SystemCare Ultimate 18 completely replace an antivirus? Yes, technically. The integrated Bitdefender engine provides real-time protection, anti-ransomware, and secure browsing sufficient for everyday use. However, independent tests suggest considering it as a primary solution for consumer users or as a second layer of defense in environments with higher security requirements.
• Does Advanced SystemCare Ultimate 18 conflict with other antivirus software? 

In some scenarios, yes. IObit manages this with compatibility mode, which disables the real-time antivirus component of ASC Ultimate while keeping all optimization tools active. It is possible to configure it manually to decide which security component to keep active.

• How do you activate Advanced SystemCare Ultimate 18 with the Mr Key Shop product key? 

Open the program, go to the registration section (profile icon or top menu), enter the product key received via email, and confirm. All Ultimate features are activated immediately.

• Can the product key be reused after formatting? 

Yes. The product key can be re-entered on a new installation of the software on the same device after formatting, following the same activation procedure.

• What’s new in Advanced SystemCare Ultimate 18 compared to the previous version

Advanced SystemCare Ultimate 18 introduces concrete improvements on both fronts, security and optimization, compared to version 17:

1. Safe Folder: this is the most significant feature of the release. Safe Folder is a protected area where you can store sensitive files and folders, making them inaccessible to any unauthorized process, including ransomware. Unlike simple encryption, Safe Folder locks the file system at the access level: no process, even if already present in the system, can modify or encrypt files within the protected folder without explicit user authorization. Functionally similar to the Safe Box feature of IObit Malware Fighter, but integrated directly into the ASC Ultimate suite.
2. Expanded antivirus database: the detection database has been expanded to cover a wider range of viruses, malware, and recent threats, improving detection rates compared to Ultimate 17.
3. Enhanced Surfing Protection database: the database of malicious sites and intrusive ad networks has been expanded, enabling filtering of a greater number of dangerous domains and intrusive ads before they reach the browser.
4. Advanced Startup Optimization: now manages a greater number of startup items and services, including third-party services not detected by previous versions, ensuring faster boot times on systems with many installed applications.
5. Deeper Junk File Clean: now also removes temporary files generated by Microsoft Store apps, a significant source of accumulation on updated Windows 10 and 11 installations, in addition to categories already covered in previous versions.
6. Enhanced Privacy Sweep: more effective in removing and masking privacy traces in applications and browsers, with extended coverage of digital fingerprints left by Chrome, Edge, Firefox, Steam, Spotify, and other popular applications.
7. Optimized AutoCare: the automatic background maintenance mode has been made more intelligent, reducing resource impact while running alongside other applications.