Best Software Coupons & Promo Codes for September 2026

With promo code "KOOFR", this Koofr 1TB lifetime cloud storage plan drops to $159.99, down from $810. It's a one-time payment for lifetime access rather than a recurring subscription, and it supports unlimited devices across desktop and mobile. Buy Now at StackSocial

StackSocial's September Spotlight Deals cover a range of software and digital subscriptions, from VPN services to cloud storage and AI writing tools. AdGuard VPN's 1-year plan is priced at $14.97, while a lifetime subscription to Drime Secure Cloud Storage with 8TB of space runs $279.97. The sale ends September 20. Shop Now at StackSocial

This bundle includes 15 separate Linux and IT courses for $10, down from a combined $405 if bought individually. Topics range from beginner Linux basics to network security, server hardening, and even a Raspberry Pi course, giving buyers a broad library of technical training for one low price. Each course is delivered as an individual key with unlimited ongoing access. Buy Now at Fanatical

Woot's Licensed to Save Software Sale covers a range of Microsoft software and digital licenses, from productivity suites to development tools. This includes Microsoft Office Home 2024, now $114.99 down from $149.99, and Visual Studio Professional 2026, which drops to $49.99 from $99.99. The sale also includes subscription deals like the Microsoft 365 Personal package for $69.99 and a digital code for Minecraft Java and Bedrock Edition for $24.99. This deal ends September 29. Shop Now at Woot! An Amazon Company

TradePub offers a WinX MediaTrans V8.6 Lifetime License for PC & Mac for free. That's a savings of $39.95. The software provides tools for transferring and managing photos, videos, music, and other media between iPhones and computers without relying on iTunes. A valid email address may be required to request the license and download. Deal ends September 22. Shop Now at TradePub

Keeper, the #1-rated password manager, is taking 50% off of most of its plans. The Personal plan drops to $1.79/month (normally $3.58/month) and the Family plan to $3.83/month (normally $7.67/month). Business Starter plans are also 30% off, bringing the price to $7 per user per month (down from $10 with a five-user annual minimum). Shop Now at Keeper

Microsoft Windows 11 Pro is $9.97 at StackSocial, down from $199. This is a lifetime license installed on one PC with no subscription required. The Pro version adds BitLocker encryption, Hyper-V virtual machine support, and Azure AD business identity tools on top of the standard Windows 11 features. Buy Now at StackSocial

Get this antivirus subscription for $13 by applying promo code "NGZF293". That's a savings of $17. Buy Now at Newegg

You can get an extra $17 off this Malwarebytes Standard antivirus software with promo code "BTSF3742", bringing a 3-device, 1-year license down to $13.  Buy Now at Newegg

This AdGuard Family Plan lifetime subscription is $11, down from $169.99. It covers up to 9 devices with ad blocking, privacy protection, malware defense, and parental controls in one lifetime license. The plan is limited to new users and must be redeemed within 30 days of purchase. Buy Now at StackSocial

Grab a OneAir Elite Lifetime Subscription for $99.99 today to save money on hotel and flight bookings whenever prices drop, even after you've booked your reservations. That's a savings of 87% off the list price. This offer is only available to new users. Buy Now at StackSocial

StackSocial's Deal Days Extended sale covers software, subscriptions, and refurbished tech at discounted prices. Microsoft Windows 11 Pro is listed at $9.97, and AdGuard DNS Personal is down to $24.97 for a 5-year subscription. The sale also includes refurbished Apple MacBook Pro laptops starting at $369.99, alongside VPN services, cloud storage plans, and AI tools.  Shop Now at StackSocial

Get lifetime licenses for Microsoft Office Professional 2024 and Microsoft Visio 2024 for $14.99 with code "DNVISIO" (reg. $49.99). One-time purchase, no subscription, and no renewal fees. The bundle ships two separate product keys, so you can put both on one PC or use them on two different computers. Office Professional includes Word, Excel, PowerPoint, Outlook, OneNote and Access. Visio 2024 covers flowcharts, org charts, floor plans and network diagrams. Delivery is instant, both keys and setup instructions arrive by email right after checkout. Buy Now at Digitalkeysbox

Amazon offers the Norton 360 Premium Antivirus for 10 Devices for $30. Save $70 compared to both the list and typical prices on this comprehensive antivirus and security suite, offering protection for 10 devices with advanced features and a VPN. Buy Now at Amazon

That's 90% off at a savings of $154. Buy Now at StackSocial

The Pro plan covers 15 simultaneous devices across 900+ servers in 100+ countries, with no recurring fees. A 1-year Passhulk Password Manager subscription is included at no extra cost.  Once your license is redeemed, all sales are final.  Buy Now at StackSocial

This bundle pairs a 12-month Microsoft 365 Family subscription with a 1-year NordVPN Basic plan for $85, well under the $180 combined price of buying them separately. The Microsoft 365 plan covers up to 6 people with 6 TB of cloud storage total, while NordVPN protects up to 10 devices for a year. Buy Now at Newegg

Use promo code "EPF5546" to get this Adobe Creative Cloud Photography Plan with 1TB of storage for $100. The subscription includes full desktop and mobile versions of Lightroom, Lightroom Classic, and Photoshop, along with 1,000 monthly generative AI credits for tools like Generative Fill and Generative Remove. Buy Now at Newegg

Squarespace's website builder plans are 50% off with promo code "SQSP50", covering the Core, Plus, and Advanced tiers. Blueprint AI, Squarespace's AI-guided builder, asks a handful of questions and instantly spins up unique web designs, including imagery curated by the company's own designers, so users can tweak pages rather than start from scratch. The tool earned a spot on TIME's Best Inventions of 2025. Shop Now at Squarespace

Get a lifetime license to Microsoft Visual Studio 2026 Professional for $29.99 with code "DNVSPRO26". One-time purchase, no subscription. and no recurring fees. This is the full Professional edition for one Windows PC, with the complete IDE, debugger, profiler and testing tools. Delivery is instant, your license key and setup instructions arrive by email right after checkout.

Buy Now at Digitalkeysbox

Get a lifetime license to Microsoft Office Professional 2024 for Windows 10/11, plus a 170-page user guide, for just $11.99 with code "DNGUIDE" (reg. $34.99). This is a one-time payment with no subscription. It's the full Professional edition and includes Word, Excel, PowerPoint, Outlook, Access, and OneNote.

The guide is published by Digitalkeysbox and covers Word, Excel, PowerPoint and Outlook across 30 chapters, with a Word template, a PowerPoint template and an Excel formula workbook included. Delivery is instant, and your license key, download instructions, and guide arrive by email right after checkout. This is a limited-time offer for one PC. Buy Now at Digitalkeysbox

DigitalKeysBox offers this Microsoft 4-License Bundle for $20 when applying promo code "DN4IN1" at checkout. That's $5 per license and a savings of $580 off the listed price. Delivery is by email, usually within 15 minutes. Included are Windows 11 Pro 1-PC lifetime digital license, Office Professional 2024 1-PC perpetual license (not Microsoft 365), Project Professional 2024 1-PC, and Visio Professional 2024 1-PC.  Buy Now at Digitalkeysbox

Get a lifetime license to Microsoft Office Professional 2024 for Windows 10/11 for just $9.99 with code "OFFICEPRO99" (reg. $29.99). This is a one-time payment with no subscription. It's the full Professional edition and includes Word, Excel, PowerPoint, Outlook, Access, Publisher, and OneNote. Delivery is instant and your license key and download instructions arrive by email right after checkout. This is a limited-time offer for one PC. Buy Now at Digitalkeysbox

Lingzio is taking 50% off subscription plans via coupon code "LINGZIO50". The language-learning app offers structured, CEFR-aligned lessons from A1 to C2, with conversational training, spaced-repetition flashcards, real-time voice recognition, pronunciation grading, and certificates of completion. Courses are available for languages including English, French, German, Spanish, and Japanese, and the first 2 lessons are free to try. Shop Now at Lingzio