Here are the charts from NetMarketShare and StatCounter.
NetMarketShare shows a decrease for W7 & an increase for W10.
StatCounter shows a decrease for W7 & an increase for W10.
Note:
If you visit the NetMarketShare site, you'll notice that the info listed in the table does not match the data points on the graph.
The StatCounter graph shows the share of Windows versions out of the total Windows market share (Android has the largest OS market share).
NetMarketShare shows a decrease for W7 & an increase for W10.
StatCounter shows a decrease for W7 & an increase for W10.
(You'll need to click several times to see it full size)

Data from NetMarketShare
Data from StatCounter

Data from NetMarketShare
Data from StatCounter
Note:
If you visit the NetMarketShare site, you'll notice that the info listed in the table does not match the data points on the graph.
The StatCounter graph shows the share of Windows versions out of the total Windows market share (Android has the largest OS market share).
My Computer
- Computer type
- PC/Desktop
- Computer Manufacturer/Model Number
- n/a
- OS
- W7 Ultimate SP1, LM19.2 MATE, W10 Home 1703, W10 Pro 1703 VM, #All 64 bit
- CPU
- AMD Phenom II x6 1100T, 3.3 GHz
- Motherboard
- ASUS M4A88T-M/USB3 (AM3)
- Memory
- 12GB DDR3 1333 G-Skill (4GB x 2), G-Skill (2GB x 2)
- Graphics Card(s)
- NVIDIA GeForce GTX 660
- Sound Card
- Realtek?
- Monitor(s) Displays
- Samsung S23B350
- Screen Resolution
- 1920x1080
- Hard Drives
- WD Green 2TB (SATA), WD Green 3TB (SATA), WD Blue 4TB (SATA), WD Blue 6TB (SATA)
- PSU
- Cooler Master
- Case
- Antec GX300 Tower
- Cooling
- 3x Antec TRICOOL 120mm Fans
- Mouse
- Wired Optical
- Internet Speed
- DSL
- Antivirus
- Avast
- Browser
- Pale Moon (64 bit)
- Other Info
- 2018-12-27 Upgraded HDDs
2015-12-10 Upgraded case, graphics card, storage
2015-08-15 Upgraded motherboard & RAM
2015-07-15 Upgraded LM17.1 to LM17.2